CHAPTER # 1 Periodic Classification of Elements & Periodicity
1.
Which of the following pairs are chemically dissimilar? (A) Na and K (C) r and !f
#.
(B) 1 (C) *'
(B) Cs (") None
-.
1.
(A) 2g (C) Ar
#/
16.
(B) C% (") Ag/
(B) Na (") Kr
:rad%al :rad%al additio additionn of electr electroni onicc shells shells in the no&le gases ca%ses a decrease in their (A) 5oni;ation energy (C) Boiling point
Which one of the following is an incorrect statement?
=lectron affinity depends on (A) Atomic si;e (B) N%clear charge (C) Atomic n%m&er (") Atomic si;e and n%clear charge &oth.
/
/
$he $he atom atomic ic radi radi%s %s incr increa ease sess as we mo
(A) $he ioni;ation potential of nitrogen is greater than that of chlorine (B) $he electron affinity of fl%orine is greater than that of chlorine (C) $he ioni;ation potential of &erylli%m is greater than that of &oron (") $he electronegati
(B) Al*/ (") N/
Ca#/ ion is isoelectronic with
(B) !#7 (C) C7#
(A) =ffecti
(B) 3& (C) C5
Which of the following following ions are paramagnetic paramagnetic in character? (A) n (C) Ni#/
1'.
11-..
(B) S (") C5.
Which of the following following is isoelectroni isoelectronicc as well as has the same str%ct%re as that of N#7 ? (A) N*! (B) N7#
Which Which of the follow following ing is isoele isoelectr ctroni onicc with with car&on atom?
#/
9.
(B) Ni#/ (C) Al*/
$he oide of which which of the following following elements elements will &e acidic in character
(A) Na/ (C) 7#8 .
1.
(B) 2g#/ (") C5
Whichh of Whic of the the foll follow owin ingg ele eleme ment nt ha hass the the maim%m electron affinity? (A) 0 (C) 5
(B) 0r (C) Be.
(A) 2g (C) 4i 6.
1* 1*..
(B) 7ygen (C) Boron.
Which of the following has the smallest si;e? (A) Na/ (C) Al*/
Which of the following following has greatest greatest tendency tendency to lose electron? (A) 0 (B) S
.
1#.
Which of the following ion will form most water sol%&le hydroide? (A) K/ (B) n#/
Whichh of Whic of the the foll follow owin ingg has has high highes estt fir first st ioni;ation potential? (A) Car&on (C) Nitrogen
$he al+ali metal which is li,%id at 1-oC is (A) K (C) Na
.
(B) Ba and Sr (") Ca and n.
$he total n%m&er of inner transition elements is (A) 1' (C) #
*.
11 11..
1.
$wo elements whose eletronegati
the &ond formed &etween them wo%ld &e (A) 5onic (C) Coordinate
(B) co
(B) atomic radi%s (") density.
1
19.
one
5onic radii are (A) "irectly proportional to s,%are of effecti
#'.
#1.
#*.
(B) C7# (") Sn7#
a. &. c. d.
(B) 4oc+ery (") 3amsay
#-.
(A) NA and K (C) None of these #.
#6.
**.
*.
#. #. electrons
*-.
energy.
ha
DsE and DpE &loc+ elements are also called a) &) c) d)
(B) in the electrolyte (") none of them
=lem =lemen ents ts with with grea greate terr n%m& n%m&er er of
=lement =lementss pre presen sentt in a same gro gro%p %p ha< ha
7n electrolysis of Na!> hydrogen is li&erated (A) At anode (C) At cathode
2endelee<s periodic ta&le was &ased on a) Atomic n%m&er &) Atomic mass c) Atomic
(B) 0 and C5 (") C% and A%
Which one of the following has the maim%m electron affinity? (A) 5 (B) Br (C) C5 (") 0
& "ecrease d. No
a. No. No. of of elec electr trons ons ga gain ined ed &. No. No. of elec electr tron onss los lostt c. No. No. of elec electr trons ons ga gain ined ed oorr lost lost d. None of a&o
(B) # (")
Which is the part of metalloids?
gro%p
*# *#.. 7id 7idati ation on stat statee of an atom atom represents
=lement> of gro%p 58B are called
(A) (C) *
Atom will lose electron easily Atom will gain electron easily Atom may form di8positi
a. 5ncrease c. 3emain constant reg%lar trend
Who introd%ced the ;ero gro%ps?
$he element with @ # is placed in the period
following
&) K/ d) Ca/#
*1. 2elting points nts of 558A down the gro%p
(A) 3epresentati
d) 5nfinite
*' *'.. !ighe igherr
2ar+ the correct statement
(A) 4othar 2eyer (C) 2endlee<
c) ero
a) Na/ c) 2g/#
(A) Na/ is smaller than Na atom (B) Na/ is larger than Na atom (C) C58 is smaller than C5 atom (") C58 and C5 are e,%al in si;e ##.
&) 2o 2ore th than
#9. Which of the possess maim%m hydration power?
Which of the following oides is atmospheric in character? (A) Ca7 (C) Si7#
a) 7nly one
*.
$ran $ransi sitition on elem elemen ents ts 5ne nert rt elem elemeents nts $ypi $ypica call elem elemen ents ts 3are 3are ea eart rthh ele eleme ment ntss
Whatt is the sym&ol Wha sym&ol of the elemen elementt with with only only three electrons and three protons? a) 4i c) Ag
&) C d) C% 2
*6.
=lements with se
.
Which of the following is smallest in si;e? a) K/1 c) 081
&) 4anthanides d) Al+ali metals 6.
5oni;ation energy is lowest for a) 5ner 5nertt ga gase sess c) Al+ali metals
*.
&) C% and C% d) Sc and n
&)
11
Y
d)
16
Which Which one of the follow following ing is not a coinag coinagee metal?
-1.
&) Berylli%m d) Car&on
&) Comp Comple lete te or&i or&ita tall d) 0ree or&ital
a) =lectropositi
&) =lectronegati
--.
a) Na#7 c) Al#7*
&) 2g7 d) F#7*
-.
&) 5 81 d) 0
5n its che chemic mical al pro proper perties ties>> calci% calci%m m is most most similar to a) Cs c) Sc
Whichh of Whic of the the follo followi wing ng has has the the most most &asi &asicc character?
&) # d) 0
Which of the following will ha
=lements> which form &asic oides are
&) Cl d) 5
$he element element with atomic n%m&er 6 is li+ely to ha
-.
&) 0l%orine d) 5odine
Whic Wh ichh ha halo loge genn ha hass the the sma smalllles estt elec electr tron on affinity? a) 0 c) Br
-*.
&) 1S# #S# #F *S1 d) 1S# #S# #F-
=cl%ding =cl%ding hydrogen hydrogen and heli%m> heli%m> the smallest smallest elements in the periodic ta&le is a) 4ithi%m c) Cesi%m
-# -#..
&) =lectronegati
Which of the following has the highest electron affinity? a) 1S# #S# #F* c) 1S# #S# #F-
$he o%ter o%ter most most or&ital or&ital in
-. -.
-'.
&) C% d) Fd
Which Which is the most most metall metallic ic elemen elementt of #nd period? a) 4ithi%m c) Boron
.
Z
2ost 2ost elec electr tron oneg egat ati< i
a) A% c) Ag
&) Fl%toni%m d) $riti%m
With respect to chlorine> hydrogen will &e a) =lectropositi
5n the periodic ta&le each period &egins with a metal> which is a) &) c) d)
*.
X
9.
32
13
#.
a) Nept%ni%m c) $hori%m
19
26
c)
An isotope of hydrogen is
40
a) W
1.
.
A st%dent st%dent of chemistry chemistry will identify identify positi
'.
&) !alo !aloge gens ns d) Al+aline Al+aline earth metals
Which of the following following pairs of elements elements are chemically most similar? a) Na and Al c) S and 0
*9.
&) 78# d) Na/
&) C% d) Sr
Which two of the following following are iso electronic electronic with one another? 3
a) Na/ and 7 c) Na/ and Ne -6.
&) Na/ and K/ d) Ne and 7
Which of the following is a trans%ranic element? a) Americi%m c) Nept%ni%m
&) Fl%toni%m d) All of these
-.
$he hydrogen> which is present in the atmosphere of s%n and stars in a large amo%nt> is a) !# &) ! / c) ! d) !8
-9.
Cesi%m and 0ranci%m are li,%ids a&o
'.
a) &) c) d) #.
*.
4ose their o%termost electrons less easily Become less dense Becomes lighter in color :ain electrons less easily
Which one is the eample of comple hydride? a) F!* c) 4a!*
61.
&) Na! d) NaB!
$he adsorption of hydrogen &y platin%m is +nown as a) !ydrogenation c) 7ccl%sion
&) "ehydrogenation d) S%&stit%tion
a) "ecreases c) 3emains constant
&) H **6 +IJmol d) *. +IJmol
Which ionic halides ha
6*.
&) Chloride d) 5odide
Which gas is %sed in the ma+ing of t%ngsten &%l& filaments?
6.
5odide&romidechloride fl%oride Bromidechloridefl%orideiodide Chloride&romideiodidefl%oride 0l%oridechloride&romideiodide
A hydride ion and heli%m atom has same n%m&er of &) Ne%trons d) All of these
&) 11' d) 1-'
classified the then +nown elements into metals> non metals and their deri
6-.
&) 5ncreases d) None of these
elements ha
&) N# d) C7#
$he ionic halides in order of decreasing m.p and &.p can &e arranges as
a) Frotons c) =lectrons
6#.
&) Co
a) H *. +IJmol c) **6 +IJmol
a) &) c) d) .
$he hydrides which are non stoichiometric in nat%re are a) 5onic c) 5nterstitial
6'.
&) Co
$he electron affinity of fl%orine is
a) !# c) 7# -.
$he hydrides are acts as powerf%l red%cing agents are a) 5onic c) 5nterstitial
9.
&) Salt li+e hydrides d) None of these
0rom left to right in a periodic ta&le charge to mass ratio increases therefore the hydration energy
a) 0l%oride c) Bromide .
.
&) Gnsta&le d) None of these
As the atomic n%m&er of the halogen increases> the halogens
5onic hydrides are also called a) Saline hydrides c) Both a L &
&) 1-oC d) *'oC
5n an a,%eo%s sol%tion the hydrides of al+ali metals are a) Sta&le c) No change
1.
6.
&) Al H 3a;i d) 2endelee
"o&reiners wor+ led to the law of triads which states that a) Atomic weight of any one element was fo%nd to &e approimately the mean of the other two elements of triad. &) Atomic weight of the middle element was fo%nd to &e approimately the mean of the other two elements of a triad. c) Atomic n%m&er of any one element was fo%nd to &e approimately the mean of the other two elements of a triad. 4
d) Atomic n%m&er of the middle element was fo%nd t &e approimately the mean of the other two elements of a triad. 6.
$he law of octa
&) Al H 3a;i d) None of these
#.
Grani%m is a mem&er of a) s H &loc+ c) d H &loc+
*.
!ow many ioni;ation energies can car&on ha
.
4aw of octa
6.
2endelee<s Feriodic $a&le was &ased on
-.
a) Atomic n%m&er &) Atomic mass c) Atomic
2oseleys wor+ led to the periodic law> which states that a) $he n%m&er of the electrons in the 1st energy le
'.
A pair of elements in the same family in the periodic ta&le classification is a) Chlorine and car&on &) Calci%m and al%min%m c) Nitrogen and neon d) Sodi%m and potassi%m
1.
&) Atomic weight d) None
$he lowest ioni;ation energies are fo%nd in the a) 5nert gases &) Al+ali metals c) $ransition elements d) !alogens
9'.
$he %nit of ioni;ation energy is a) o%le c) =lectron
91.
5n the period> the elements are arranged in strict se,%ence in order of a) 5ncreasing charges in the n%cle%s. &) 5ncreasing atomic weights. c) 5ncreasing n%m&er of electrons in
&) F H &loc+ d) ero &loc+
$he
9.
&) Cl M Cl d) ! M !
2ost of the +nown elements are metals of of periodic ta&le. a) " H &loc+ c) 555 H gro%p
.
&) Cl8 d) 5
$he process re,%iring a&sorption of energy is a) 0 M 0 c) 7 M 7#
6.
&) 2g #/ d) 7 #8
Which of the following halides is not oidi;ed &y 2n7#? a) 0 c) Br
.
&) # d)
Which ion has the maim%m polari;ation power? a) 4/ c) Al */
66.
&) p H &loc+ d) f H &loc+
$he electropositi
9#.
&) Basic oides d) Amphoteric oide
$he electronegati
9*.
&) Calorie d) None
&) Basic oides d) Amphoteric oide
$he ioni;ation energy of nitrogen is more than 5
oygen &eca%se of a) 2ore attraction of electrons &y the n%cle%s &) 2ore penetration effect c) $he etra sta&ility of half filled p H or&ital d) $he si;e of nitrogen atom is smaller. 9.
ion has the largest radi%s. a) Al/* c) 081
9-.
&) Cl81 d) 78#
5onic hydrides are %s%ally a) 4i,%ids at room temperat%re &) :ood red%cing agents c) :ood electrical cond%ctors in solid state d) =asily red%ced.
9.
$he hydroni%m ion is aJan a) 5on with form%la !#7/ &) 5on with the form%la !*7/ c) 0ree radical rather than an ion d) 5on formed &y remo
96.
When steam is passed o a mit%re of car&on monoide and hydrogen gas is prod%ced. 5t is +nown as a) !ea
CHAPTER # 2 S-Block Elements
1.
$he oides of &erylli%m are. (A) Acidic (C) Ba/#
#.
Which ion will ha
&) Water gas d) None *.
(B) Basic (") 2g/#
(B) Cs/ (") 2g/#
Which one of the following is not an al+ali metal? (A) Sodi%m s%lphate (C) inc s%lphate
.
B) Fotassi%m s%lphate ") Bari%m s%lphate
$he element cesi%m &ears resem&lance with. (A) Ca (B) Cr (C) Both of the a&o
-.
Chile saltpeter had the chemical form%la (A) NaN7* (C) Na#B76
.
(B) KN7* (") Na#C7*!#7
$he ore CaS7#!#7 has the general name. (A) :yps%m (C) Calcite
6.
(B) "olomite (") =psom salt
"ownOs cell is %sed to prepare. (A) Sodi%m car&onate (B) Sodi%m &icar&onate (C) Sodi%m metal (") Sodi%m hydroide
6
.
Which element is deposited at the cathode d%ring the electrolysis of &rine in NelsonOs cell? (A) !# (C) C5#
9.
(B) Sr (") Cs
$he chemical form%la of Al%mite (Al%m stone) is.
1.
(B) K (") 4i
1.
(A) Bones> egg shells (C) Sea8shells 1.
##.
(B) teeth (") All of the a&o
"olomite is a compo%nd of which elements.
$he s%per oides are formed &y the elements. (B) K> Na> Cs> (") None of the a&o
Fotassi%m> r%&idi%m and caesli%m are so highly reacti
#*.
(B) Cs (") Be
Flaster of paris is formed after heating %pto 1''7C (A) 2g(N7*)# (C) NaN7#
#.
(B) 8#''7C (") 8'oC
Among the al+aline earth metal which has least reacti
(B) CaS7> #!#7(gyps%m) (") 4iN7*
$he root system of se
#-.
B) :yps%m ") None of the a&o
When deficiency of calci%m eists
#.
(B) 3& (") Na
Calci%m Fhosphate Ca* (F7) and calci%m fl%oride Ca0# are essential part of li
(B) 2g (") Na
(A) 81''7C (C) 8-'oC
(B) Flants (C) None of the a&o
Which of the al+ali earth metal has radioacti
16.
#1.
2agnesi%m is an essential constit%ent of. (A) Storaata (C) Chlorophy55
$he melting point and &oiling point of which al+aline earth metal is high.
(A) K> 3&> Cs (C) K> 4i> Na
"%e to the high reacti they are fo%nd in. (A) 0ree in nat%re (B) Bo%nded with other elements (C) Not free in nat%re (") All of the a&o
1-.
B
#'.
Among al+ali metals the lowest atomic n%m&er is of. (A) 3& (C) Sr
(B) 2g (") Ba
(A) Sr (C) Be
(B) KC5 (") NaC5
(A) KC5. 2gC5#. !#7 (B) KC5 (C) Na#B76. 1'!#7 (") K#S7 Al(S7)*. #Al(7!)* 1*.
19.
$he chemical form%la of syl
1#.
(B) 1** pm (") 19 pm
Among al+aline =arth 2etals> the highest heat of hydration is of. (A) Be (C) 3&
11.
(B) Na (") 7#
5onic radi%s of potassi%m is. (A) ' pm (C) 99 pm
1'.
(A) Be (C) Ca
Which al+ali metal &eha
#6.
(B) Na (") 4i
Spod%mene> petalite> halite> natron> alinite are the common minerals of. A) Al+ali metals B) Al+aline earth metals C) Both of the a&o
#.
Sodi%m is prepared &y the electrolysis of. (A) Simple NaC5 in "own>s cell 7
(B) 2olten NaC5 in "own>s cell (C) 2olten sodi%m hydroide in downOs cell (") None of the a&o
*'.
4ime is %sed in.
5n diaphragm cell> le
(A) :lass ind%stry (B) :lass and paper ind%stries (C) Faper ind%stries (") None of the a&o
a) !ydroide ions to reach anode &) Chlorine gas to mi c) Anode to decay d) All
$he elements which are
*1.
&) Ca L 2g d) All
$he oides of Be are a) Acidic c) Amphoteric
*#.
Car&onates of lithi%m are not sta&le li+e that of sodi%m d%e to
*.
*6.
'.
1.
&) Caesi%m d) 3adi%m
&) Fotassi%m s%lphate d) Bari%m s%lphate
&) "olomite d) Sodi%m hydroide
Crystals of Na#C7*. 1'!#7 when eposed to air>
.
$he deli,%escence is a process in which a solid
6.
a) A&sor&s moist%re and remains solid &) A&sor&s moist%re and t%rns to li,%id form c) 4oses water of crystalli;ation d) 5ncreases the n%m&er of water of
0ree motion of
Sodi%m imparts color to B%nsen flame a) :reen c) Bl%e
a) 4ose water and remain solid &) :ain water and remain solid c) :ain water and &ecome li,%id d) 3emains %nchanged.
&) 2gC7*.CaC7* d) BaS7
$he high electrical cond%cti
-.
&) !alite d) Syl
Which one of the following is dolomite? a) 2gC7* c) CaC7*
.
&) Fotassi%m d) Cesi%m
Na#S7*.1'!#7 is the mineral of sodi%m and is called a) Spod%mene c) Natron
*.
&) Na d) K and 3&
!alite is the mineral of a) Sodi%m c) 4ithi%m
#.
&) Co
$he al+ali metals> which ha
$he ore CaS7.#!#7 has the general name a) :yps%m c) Sodi%m metal
Al+ali metals form &onds a) 5onic c) 2etallic
Which of the following s%lphates is not sol%&le in water? a) Sodi%m s%lphate c) inc s%lphate
*-.
*9.
Which one of the following is not an al+ali metal? a) 0ranci%m c) 3%&idi%m
*.
*.
&) Basic d) None
a) 4ow electronegati
crystalli;ation
&) iolet d) Qellow
All al+aline earth metals are white ecept a) 2g c) Be
&) Ca d) Sr
2etals> which are higher that water> are a) &) c) d)
Al+aline earth metals Coinage metals Al+ali metals All of these 8
.
=cept lithi%m> the hydroides of all al+ali metals are a) Strongly acidic c) Wea+ly &asic
9.
$he car&onates and phosphates of which elements are insol%&le in water a) Na and K c) 4i and 2g
-'.
&) Strongly &asic d) All of these
&) Na and Be d) All of these
All al+aline earth metals react with water at room temperat%re to release hydrogen and gi
&) Be and 2g d) 2g and Sr
-6.
Which is man%fact%red &y the electrolysis of f%sed sodi%m chloride? a) Na7! c) Na
-.
Which of the following does not cond%ct electricity? a) Boron c) 5ndi%m
-9.
4ithi%m only forms normal oides when &%rnt on air &%t when sodi%m &%rnt in air it forms a) Normal oides c) Feroides
-#.
$he s%per oides of al+ali metals are generally represented &y a) 2#7 c) 27#
-*.
&) 55 A d) 5 A
$o ma+e it good cond%ctor $o decrease the m.p of NaCl $o increase the ioni;ation of NaCl $o decrease the ioni;ation of NaCl
4i,%id sodi%m in the "owns cell is collected at a temperat%re of a) 6''oC c) -''oC
-.
#.
&) ''oC d) ''oC
$he prod%ct> which is o&tained at cathode in the "owns cell is a) 4i,%id Sodi%m c) Water
&) "ry chlorine d) !ydrogen
&) CaS7.!#7 d) 2gS7
Which one is commonly %sed as a la&oratory desicator? a) Na#C7* c) CaCl*
.
&) Si7# d) 2g7
:yps%m is a) CaS7.#!#7 c) CaS7
6.
&) NaBr d) Na0
Which one of the following is most &asic? a) Al#7* c) F#7-
.
&) Alcohol d) Kerosene oil
Which one has high m.p? a) NaCl c) Nal
-.
&) CaC7* d) Na7!
Fotassi%m is +ept in a) Water c) Ammonia
.
&) CaS7.!#7 d) #CaS7.!#7
Which of the following is fl%orspar? a) Ca7 c) Ca0#
*.
&) Na7! d) NaCl
$he form%la of plaster of Faris is a) CaS7 c) CaS7.#!#7
A small amo%nt of calci%m chloride or mit%re of KCl and K0 is added to NaCl in "owns cell a) &) c) d)
--.
1.
&) 2#7# d) 2#7*
$he nitrates of which gro%p decompose on heating with the formation of nitrites and e
-.
&) S%& oides d) S%per oides
&) Na d) 0r
$he ingredient of &a+ing powder is a) Na!C7* c) Na#C7*
-1.
&) :alli%m d) $halli%m
Which al+ali metal is rare and fo%nd in a small amo%nt in all H igneo%s roc+s? a) 4i c) K
'.
&) Na!C7* d) Na#C7*
&) NaCl d) Na7!
$he radioacti
a) Be c) 3a 9.
Which one of the following elements has its compo%nds which are diamagnetic and colo%rless? a) Be c) Na
6'.
Na7! NaCl Na!C7* and dil%te acid Na!C7* and Na7!
4iCl is more sol%&le in organic sol
Which compo%nd is %sed for %ric acid treatment in h%man &eings? a) Na#C7* c) 4i#C7*
66.
1.
Fotassi%m s%per oide (K7#) is %sed in &reathing e,%ipments for mo%ntaineers and space craft &eca%se it a&sor&
$he hydroide> which is called mil+ of magnesi%m and is %sed for treatment of acidity in stomach> is a) Ca(7!)# c) Sr(7!)#
#.
*.
.
2g/# has fewer electron than Na/1 2g/# has greater electron than Na/1 2g/# has greater atomic n%m&er than Na/1 2g/# has low 5.F than Na /1
Which of them electronegati
has
a) Be> B c) Be> Al
&) B> Al d) K> Na
same
&) "ead water d) 2il+ of lime
5f the compo%nd has the same crystal str%ct%re and analogo%s form%lae> they are called a) 5sotopes c) 5somers
.
almost
A mit%re formed &y miing one
-.
&) 2g(7!)# d) Ba(7!)#
2g/# is smaller the Na/1 &eca%se a) &) c) d)
&) Na!C7* d) NaN7*
Which element is %sed in $. pict%re t%&e?
&) 2onoclinic d) 7rthorhom&ic
a) 7ygen and gi
&) 3& d) Cs
$he chemical %se for the prod%ction of C7# in the fire eting%ishers is
a) &) c) d) 6.
'.
&) :yps%m d) Ba+ing soda
Flaster of Faris has a str%ct%re a) C%&ic c) !eagonal
&) CaS7 d) All of these
$he al+ali metal> which is artificially prepared
a) &) c) d) 6-.
69.
&) K d) Cs
Which one is %sed in the man%fact%re of chal+ pencils? a) 2ar&le c) =psom salt
:reater 5.F of K :reater 5.F of Na 2ore electropositi
a) Na c) 0r 6.
&) A% d) 7s
K can displace Na from NaCl d%e to a) &) c) d)
6*.
6.
Which imp%rities are present in common salt? a) Na#S7 c) CaCl#
6#.
a) Na c) Ca
&) Sr d) All of these
Which metal is an important component of transistors? a) Ag c) 3a
61.
&) 2g d) Ba
&) Allotropes d) 5so&ars
7%t of all elements of gro%p 5A> the highest 10
heat of hydration is for a) K c) Cs 6.
&) 3& d) 4i
$he nitride ion in lithi%m nitride is composed of
c) 5t eerts considera&le &ea%tif%l force on the
a) 6 protons and 6 electrons &) 1' protons and 6 electrons c) 1' protons and 1' electrons d) 1' protons and - electrons .
9.
When N!* is passed o the prod%ct formed is a) NaN!# &) NaN7# c) Na(N!*)# d) Na*N Sodi%m metal can &e stored %nder a) Ben;ene c) Alcohol
9'.
Chile s%lph%r is a) NaN7# c) NaN7*
91.
&) KN7# d) KN7*
Al+ali metals do not eist in a) 2onoatomic c) $riatomic
9#.
&) Kerosene d) Water
&) "iatomic d) None of these
5n general al+ali metals act as a) 3ed%cing agents &) 7idi;ing agents c) Both red%cing and oidi;ing agents d) None of these
9*.
Sodi%m is not o&ser
9.
9-.
a) 5t does not react with sodi%m &) 5t does not react with chlorine c) 5t is easy to fashion in circ%lar form d) 5t floats on the f%sed sodi%m chloride 96.
9.
99.
&) n!#A d) n7
Which of the following represents calci%m chlorite? a) CaCl7# c) Ca(Cl7*)#
1'*.
&) K7! d) !Cl
=cess of Na7! reacts with ;inc to form a) n(7!)# c) Na#n7#
1'#.
&) Ba+ing soda d) None of these
is a stronger &ase. a) Na7! c) 4i7!
1'1.
&) Feroide d) None of these
Sodi%m &icar&onate is commonly called a) Soda ash c) Ca%stic soda
1''.
&) Gnsta&le d) None of these
When &%rnt in air> 4ithi%m forms a) Normal oide c) S%per oide
&) Ca(Cl7)# d) Ca(Cl7#)#
Sodi%m hydroide sol%tion reacts with phosphor%s to gi $o &ring a&o%t we need this reaction a) White phosphor%s and dil%te Na7! &) White phosphor%s and concentrated Na7! c) 3ed phosphor%s and dil%te Na7! d) 3ed phosphor%s and concentrated Na7!
1'.
5n the al+ali metal series> Cesi%m is the most reacti
Al+aline earth metals form car&ides on heating with car&on. a) Sta&le c) Sol%&le
$he metallic l%ster of sodi%m is eplained &y the presence of a) Na/ ions &) Cond%ction electrons c) 0ree protons d) A &ody centered c%&ic lattice
A graphite anode is %sed in "owns cell for the prod%ction of sodi%m &eca%se
Sodi%m reacts with water more
1'-.
Flaster of Faris hardens &y 11
a) :i
12
CHAPTER # 3 ro!" and $ Elements
1.
Which metal is %sed in the thermal process &eca%se of its acti
#.
Al%min%m oides is (A) Acidic oide (C) Amphoteric oide
*.
(B) CaB76. !#7 (") CaNaB-79. !#7
(B) Al%min%m (") Silicon
(B) 5odine (") 7ygen
Boric acid cannot &e %sed. (A) As antiseptic in medicine (B) 0or washing eyes (C) 5n soda &ottles (") 0or enamels and gla;es
6.
.
(B) Al%min%m (") C
(A) Boron> al%min%m> galli%m> indi%m and thalli%m. (B) Boron galli%m> thalli%m. (C) Al%min%m> calci%m> stronti%m. (") All of the a&o
1.
Boron is non8metallic &eca%se of (A) 4arge si;e and higher n%clear change (B) Small si;e and higher n%clear charge (C) Small si;e and smaller n%clear charge (") None of the a&o
(B) Silicon (") Boron
Al%min%m is the third most a&%ndant elements in earth cr%st after.
Ba%ite is an ore of. (A) Al%min%m (C) Car&ono
1-.
(B) Boron (") :alli%m
Which of the elements of :ro%p 55A are rare and only o&tained as &y8prod%cts. (A) :alli%m thalli%m (B) $halli%m indi%m (C) :alli%m indi%m (") :alli%m thalli%m indi%m
1.
Bora is the sodi%m salt of tetra&oric acid. 5t is most important of all among. (A) Borates (C) Bicar&onates
16.
(B) Car&onates (") None of the a&o
Bora occ%rs as nat%ral deposit called tincal in the dried %p la+es of. (A) $i&et (C) $i&et L California
1.
(B) California (") irginia
:ro%p 5 A of the periodic ta&le comprises elements. (A) Car&on silicon (B) $in> car&on > silicon (C) Car&on> silicon> tin and lead (") None of the a&o
(B) Al#7*. #!#7 (") Al#7*. !#7
$he :ro%p 55A of the periodic ta&le comprises the elements.
7rtho&oric Acid is a mineral of.
(A) 7ygen (B) Silicon (C) None of the a&o
$he chief 7re of al%min%m is. (A) Na* A50 (C) Al#7*
9.
1*.
Which of the following elements is not present a&%ndantly in earthOs cr%st. (A) Silicon (C) Sodi%m
(B) 5rreg%lar (") None of the a&o
(A) Al%min%m (C) Calici%m
Which element among the following &elongs to :ro%p 5A of the periodic $a&le. (A) Bari%m (C) 4ead
.
1#.
Which element forms an ion with charge */. (A) Berylli%m (C) Car&on
-.
(B) Basic oide (") None of these
$he increase in the atomic si;e in gro%p is (A) 3eg%lar (C) Both
Chemical composition of colemnite is. (A) Ca#B711. -!#7 (C) Na#B76. !#7
.
(B) Copper (") inc
11.
19.
$he non8metals in :ro%p 5 A are. (A) Car&on> silicon (C) All of the a&o
#'.
(B) $in and 4ead (") None of the a&o
$he elements of :ro%p 5 A are character si;ed &y a set of . (A) $hree
13
#1.
:ro%p 5 A elements form. (A) S%per oide (C) "ioide
##.
(B) 7ides (") All of the a&o
$he property of catenation among the car&on and silicon . (A) 5ncrease on mo
#*.
#-.
Boron occ%rs in traces and has &een fo%nd to &e important for the growth of. (A) Flants of many +inds (B) Flants and animals (C) Animals (") None of the a&o
#6.
#.
*1.
*#.
**.
Which of the following does not gi
*.
&) Copper d) inc
Which of the following shows inert pair effect? a) Boron c) Silicon
*-.
&) Cr d) Al
$he metal which is %sed in thermite process &eca%se of its acti
&) Car&on d) $in
$incal is a mineral of a) Al c) B
&) Si d) C
Beca%se of its a&ility to com&ine with &oth oygen and nitrogen> al%mini%m metal is %sed a) As nitrometer &) $o remo
(B) 5ns%lators (") None of the a&o
(A) 2ost of all (B) #nd in n%m&er (C) $hird most a&%ndant (") th most a&%ndant
7ne of the o%tstanding feat%res of &oron is a&ility to form
a) C% c) Ni
*.
7ygen is the a&%ndant element in earth cr%st?
Boron is a white crystalline solid and it is
a) 2olec%lar addition compo%nds &) 2olec%lar crystals c) Semicond%ctors d) All
Semicond%ctors cond%ct electricity &etter than. (A) Cond%ctors (C) Both of the a&o
&) Boric Acid d) All
a) 2ore sol%&le in cold water &) 2ore sol%&le in hot water c) 2ore sol%&le in water d) Sol%&le only in organic sol
ario%s oides are %sed as pigments in the pigments of which element. (A) 7ides of lead> &asic lead car&onate etc. (B) ario%s oides of lead (C) ario%s oides of lead> &asic lead car&onate> lead chromate (") 7ides of al%min%m
#.
*'.
China wares are made form a mit%re of (A) Kaolin and &one ash (B) Kaolin and feldspar (C) Kaolin feldspar and &one ash (") None of the a&o
S%&stance which is fo%nd in dried %p la+es of $i&et and California is a) $incal c) Calci%m car&onate
$he oides of car&on are (A) C7 and C7# (B) C7> C7# and C*7# car&on s%& oide (C) C7> C7#> C#C* (") None of the a&o
#.
#9.
*6.
Silicon differ from silica &y a gro%p of a) C!* c) 7C!*
&) H7! d) 7#
14
*.
Boron in soil has &een considered essential specially for a) Soil porosity &) Froper growth of plants c) Al+alinity of soil d) All
*9.
1.
-*.
&) $halli%m d) 5ndi%m
$he compo%nd> which is %sed in &ora &ead test for cations analysis> is a) Na7! c) Na#B76.1'!#7
&) !*B7* d) !#B76
$hey &elong to gro%p 555 A $heir ions ha
5n the electrolysis of al%mina is mied with Cryolite (Na* Al0) and fl%orspar (Ca0#) in the ratio of #' ' #'. the f%nction of the Cryolite and fl%orspar is a) $o decrease the f%sion temperat%re of al%mina and to ma+e good cond%ctor of electricity &) $o dissol
-.
$ermite is a mit%re of a) &) c) d)
&) 2onoclinic d) $rigonal
&) Comple hydrides d) Co
&) Ag d) n
AlCl* and :aCl* are co
&) K d) Al
$he hydrides B#! and Si#! are said to a) 5onic hydrides c) 5nterstitial hydrides
6.
&) 2etallic &ond d) Co
Crystalline &oron has str%ct%re a) C%&ic c) !eagonal
.
-#.
&) Baeyers process d) :rignard process
Ba%ite is an oide mineral of a) C% c) Al
Which element is %nsta&le in air and is oidi;ed s%perficially in air a) Al%min%m c) :alli%m
-.
&) Atomic weight d) 5.F
-1.
&) !Cl d) !B7#
$he process in which Ba%ite is p%rified &y dissol
Boron is metalloid and semicond%ctor li+e a) Be c) Si
.
-'.
&) "onate 7!81 ion d) "onate !/1
$he a,%eo%s sol%tion of which acid is %sed for washing eyes? a) !#B76 c) !*B7*
Boron does not easily form cations> &eca%se it has the tendency to form &ond li+e non8metal a) 5onic &ond c) !ydrogen &ond
*.
&) 3emain %npaired d) None of these
$he tendency of the pair of S H electron to remain inert increase with the increase in a) Atomic n%m&er c) =.N
#.
9.
5n p H &loc+ elements> the S H electrons of o%ter shell of the hea &eca%se they a) 3emain paired c) Are free
7rtho&oric acid is wea+ acid &eca%se it a) Accepts 7!81 ion c) Accept !/1
Special feat%re of &orate glass is that it is a) !eat resistant &) 4ow melting c) Gsed to prepare chemical garden d) All
'.
.
--.
5ron oide and al%min%m 5ron oide and copper Copper oide and al%min%m None of these
5n al%min%m termite process> al%min%m acts as a a) 3ed%cing agent c) A fl%
-.
&) 7idi;ing agent d) None of these
Which al%mini%m alloy is etremely light? a) "%ral%min
&) Alnico 15
c) 2agnali%m
-6.
C%pric oide on heating with B #7* yields &l%e colored &eads in the oidi;ing flame &eca%se a) &) c) d)
-.
C%pric &orates are white in color C%pric &orates are &lac+ in color C%pric &orates are green in color C%pric &orates are &l%e in color
1.
!ot con !Cl !ot con !#S7 !ot con !N7* A mit%re of Con. !Cl and con !N7*
7rtho &oric acid on heating at 1''oC yields a) &) c) d)
9.
2eta &oric acid Fyro&oric acid $etra &oric acid Boric anhydride acid (B#7*)
Which of the following is %sed in photographic film? a) 2gBr # c) AgBr
6'.
&) :alli%m d) $halli%m
$he wea+ acid> which cannot &e titrated with standard al+ies> is &) !#S7 d) All of these
Car&on differs from other mem&ers of its gro%p d%e to smaller atomic si;e> higher electronegati
61.
&) NaCl d) Na#S#7*
&) 1 * d) * #
6#.
6*.
5n the contact process for the man%fact%ring of !#S7> the catalyst %sed is
Fhosgene is a poisono%s gas> its chemical name is
$he maim%m inert pair effect is shown &y a) B c) :a
6.
6-.
&) (C7#)n d) None of these
5f a metal is protected &y an oide layer from f%rther attac+> the metal is said to &e a) 3eacti
6.
&) Al d) $l
R%art; is the polymeric form of a) (Si7#)n c) (C!# H C!#)n
$he dry ice is a compo%nd of Solid ice with any water Solid S7# Solid C7# Solid C!
&) !Cl d) Chlorine
a) Car&on dioide &) Fhosphonyl chloride c) Car&on monoide d) Car&onyl chloride
5n land storage &atteries> the acid %sed is &) "il !Cl d) "il !#S7
Action of a,%a regia on no&le metals is d%e to a) !N7* c) !#S7
A,%a regia is a mit%re of concentrated !N7* and concentrated !Cl in the ratio of
a) &) c) d) .
.
&) Sn d) Ni
a) C%pric oide &) 0erric oide c) Al%min%m oide d) Al%min%m nitride
a) Con !Cl c) Con !#S7 -.
a) C% c) Al
a) Boron c) 5ndi%m
a) * 1 c) # * .
$he depositing layer in tin plating is
Which of the following can form nitride> which react with water to gi
a) s H electrons c) d H electrons *.
6.
&) Ni d) N#7-
Al%min%m does not react with !N7* at any concentration and therefore !N7* is transported in al%min%m containers> this is d%e to formation of protecti
a) !Cl c) !*B7* #.
&) AlN d) AlCl*
Flatin%m metal can &e dissol
'.
a) C% c) Ft
5n mordenting al%mini%m ions (Al/*) are precipitated on the cloth as a) Al#7* c) Al(7!)*
-9.
d) Al%mini%m &ron;e
&) Acti
Car&on reacts with metals to form a) !ydrides c) !ydroides
&) 7ides d) Car&ide
16
66.
$he control addition of 555 A and 5 A mem&ers in Silicon and :ermani%m is +nown as a) 5nert pair effect c) 4itharge
6.
F H type of semi cond%ctor are formed &y miing Silicon or :ermani%m with mem&ers of a) 555 A c) A
69.
&) "oping d) 3ed lead
&) F&7# d) F&(C!*C77)
'.
$he 7ctet r%le is not followed &y
1.
a) Boron on BCl* &) 7ygen in !#7 c) Nitrogen in N!* d) Fhosphor%s in F!* Which of the following elements show oidation state of / * only? a) B c) 5n
#.
a) Boron c) 5ndi%m *.
.
a) 2eta&oric acid &) Fyro&oric acid c) 2eta&oric and pyro&oric acid d) None of these -.
$he f%nction of 0l%orspar in the electrolytic red%ction of al%mina dissol
.
9.
9'.
91.
&) :yps%m d) None of these
is a &etter cond%ctor of heat. a) 0e c) Al
&) Sn d) None of these
Al#7* formation in
9#.
5n the commercial electrochemical process fro al%min%m etraction> the electrolyte %sed is a) Al(7!)* in Na7! sol%tion &) An a,%eo%s sol%tion of Al#(S7)* c) A molten mit%re of Al#7* and Na* Al0 d) A molten mit%re of Al7(7!) and Al(7!)*
9*.
Bora is prepared &y treating colemanite with a) NaN7* c) Na!C7*
9.
9-.
&) NaCl d) Na#C7*
=lements> which eist in two or more physical or molec%lar forms> are called a) 5sotopes c) 5so&ars
Which of the following statements is correct? a) !*F7* is di&asic and red%cing &) !*F7* is tri&asic and red%cing c) !*F7* is tri&asic and non H red%cing d) !*F7* is di&asic and non H red%cing
!alls process is &ased on electrolysis of a) Al%mina c) Bora
&) Basic d) None of these
7rtho&oric acid on heating to a&o%t 1''oC looses a water molec%le to form
$he red%ction of metal oides is sometimes accomplished &y %sing al%min%m in the a) :oldschmidts reaction &) Sil&erchemdits reaction c) Baeyers reaction d) ilchs reaction
&) Al%min%m d) $halli%m
$he oides of Boron are in nat%re. a) Acidic c) Ne%tral
.
&) :a d) $i
of the following is not metallic in nat%re.
Boric acid is a) Wea+ mono&asic 4ewis acid &) 7nly wea+ mono&asic Arheni%s acid c) 7nly wea+ mono&asic Bronsted acid d) 7nly wea+ tri&asic Arrheni%s acid
&) 5 A d) 5 A
4itharge is chemically a) F&7 c) F&*7
6.
&) Allotropes d) None of these
F&7 &eha
&) Basic oide d) S%& oide 17
9.
$he n%m&er and type of &onds &etween two car&on atoms in CaC# are a) 7ne sigma and one pi &ond &) 7ne sigma and two pi &onds c) 7ne sigma and one and a half pi &ond d) 7ne sigma &ond
96.
&) Si d) B
&) Sn5 d) F&5
5n which of the following phosphor%s has an oidation state of / ? a) F7 c) F79
&) F7 d) None of these
7%t of all the elements of gro%p A the highest ioni;ation energy is possessed. (A) N (C) S&
#.
Which of the following halides is least sta&le and has do%&tf%l eistence? a) Cl c) :e5
99.
1.
Al%min%m is diagonally related to a) 4i c) Be
9.
CHAPTER # % ro!" $ and $ Elements
(B) F (") Bi
5n gro%p A elements the most electronegati
*.
7idation of N7 in air prod%ced. (A) N7# (C) N#7
.
(B) N#7 (") N#7
7%t of all the elements of gro%p 5A the highest melting and &oiling point is shown &y the elementsT (A) $e (C) S
6.
(B) N#7 (") N7
4a%ghing gas is chemically (A) N7 (C) N7#
.
(B) N#7* (") N#7-
$he &rown gas is formed when metal red%ces !N7* (A) N#7(C) N7#
-.
(B) N (") As
(B) Se (") F&
S7* is not a&sor&ed in water directly to form !#S7 &eca%se. (A) $he reaction does not go to completion (B) $he reaction is ,%ite slow (C) $he reaction is eothermic (") S7* is insol%&le in water
.
Which catalyst is %sed in contact process? (A) 0e#7* (C) S7*
9.
(B) #7(") Ag#7
Which of the following specie has the maim%m n%m&er of %npaired electrons. (A) 7# (C) 7#8
(B) 7#/ (") 7#8# 18
1'.
(A) 2etals (C) Both of the a&o
11.
1*.
Common oides of nitrogen are
1.
16.
#*.
(B) 0o%r (") 0i
7ygen is comprising a&o%t .
5n the atmosphere the free oygen occ%rs a&o%t
Water contains nearly com&ined form of oygen (A) -' (C) *'
(B) 6' (") 9
S%lph%r eist as (A) 0ree and com&ined state (B) 7nly in free state (C) Com&ined state (") None of the a&o
#.
(B) 0o%r types (") Si different types
All the elements of grown 5A are non8metals
7ygen has allotropic forms s%ch as.
(A) 1J* of the atmospheric air (B) 1J# of the atmospheric air (C) 1J of the atmospheric air (") #J* of the atmospheric air
#-.
5n com&ined state nitrogen is fo%nd in all li
(B) 7 (oygen) (") None of the a&o
(A) *' of earthOs cr%st (B) #' of earthOs cr%st (C) 1' of earthOs cr%st (") -' of earthOs cr%st
Nitric acid is %sed for.
(A) Animals and plants as proteins %rea and amino acids. (B) 5n plants only (C) 5n animals only (") None of the a&o
##.
#.
Allotropes of phosphor%s are of
5n gro%p 5A the radioacti
(A) $hree (C) $wo
(A) With a faint pleasant smell and a sweetish taste. (B) With %npleasant smell and &itter taste. (C) With pleasant smell and &itter taste. (") With %npleasant smell and sweetish
(A) $hree types (C) $wo types 1.
#1.
"i8Nitrogen oide is a colo%rless gas.
(A) 2a+ing organic dyes> eplosi
(B) 7 (oygen ) (") $e (tell%ri%m)
(A) $e (tell%ri%m) (C) N (nitrogen)
(B) * (") 6
(A) N#7> N7 and N7 # (B) N7> N7# (C) N#7> N7# (") N#7> N7> N7 #> N#7* L N#71-.
#'.
(B) $hree and fi
Nitrogen is present in free state in air as a maIor constit%ent a&o%t. (A) - (C) 6'
1.
(B) Non82etal (") None of the a&o
$he common
(A) S (s%lph%r) (C) F7 (pollini%m )
(B) Non82etals (") None of the a&o
Arsenic and antimony are (A) 2etals (C) 2etalloids
1#.
ecept.
Nitrogen and phosphor%s of gro%p A show the typical properties of
Which of the following possesses melting point &elow 'UC? a) Nitrogen c) Car&on
#6.
&) Fhosphor%s d) Bism%th
0ormation of !#S7 &y Contact process is an eample of a) !omogeno%s e,%ili&ri%m &) !eterogeno%s e,%ili&ri%m c) S%lphonation d) "il%tion
#.
Which of the following does not contain phosphor%s? 19
a) Qol+ of egg c) Ner
&) Bone d) Steel
&) C d) N
$he composition of &rown ring in nitrate test is a) 0eS7.N7 c) 0eS7.N7*
*1.
a) F#7* c) !*F7* *#.
**.
&) * d) 1 L *
&) 4ess reacti
Nitrogen can not as a central metal atom in a comple &eca%se it can not &) Accepts electrons d) All of these
&) N7 d) N#7-
$he test which is %sed to confirm the presence of nitrate is a) Sil
&) 3ing test d) Baeyers test
2it%re of !N7* and N7# is called
#.
2onoatomic molec%le "iatomic molec%les $riatomic molec%les $etra atomic molec%les
$he acid which has garlic li+e smell and is crystalline deli,%escent is a) !#S7 &) !*B7*
.
&) Acti
$he str%ct%re of !#S7 is a) $rigonal c) $etrahedral
9.
&) !*B7* d) !N7*
3emo
.
&) !Cl d) !N7*
$he acid which forms three series of salt is a) !#S7 c) !*F7
6.
&) $e d) 2g
White phosphoro%s occ%rs in the form of a) &) c) d)
-.
&) "i&asic acid d) Base
:alena is an ore of a) S c) Fo
.
&) FBr d) Fl-
7rthophosphoro%s acid is a a) 2ono&asic acid c) $ri&asic acid
*.
&) dil !N7* d) !N7*
Which one FV- is %n+nown? a) FClc) F0-
Which oides of nitrogen eist in solid state? a) N#7 c) N7#
*.
&) 2etals d) All of a&o
Small atomic si;e and high =.N Single screening shell A&sence of d H or&ital in the
a) "e
5A
$he properties of Nitrogen is different from other mem&ers of its gro%p to a) &) c) d)
*.
gro%p
1.
$he nitrogen gas present in air is a) 2ore &) Non reacti
*-.
in
Gnpaired electrons 7dd n%m&er of electrons Faramagnetic All of these
a) con !N7* c) f%ming !N7*
Fhosphoric acid is a wea+ acid and its &asicity is a) 1 c) ero
*.
&) F#7d) All ha
All the elements are a) !ygroscopic c) Folymeric
'.
&) 0eS7.N7# d) None of a&o
Which one of the following compo%nds smells li+e garlic?
Nitric oide has a) &) c) d)
Which of the following elements can follow etended octet r%le? a) F c) B
*'.
*9.
&) 7ctahedral d) !eagonal
Which pair does not prod%ce !# gas? a) C% and Con !N7* 20
&) C#!-7! and Na metal c) 2g and steam d) Fhenol and sodi%m metal -'.
Why it is diffic%lt to form nitrogen compo%nds from gaseo%s nitrogen a) &) c) d)
-1.
$he elements which is essential in nitrogen fiation is
-.
*.
a) "%tch Frocess
-.
.
&) d) 6
When li,%id s%lph%r at one atmospheric pressre is %nless s%per cooling occ%rs> the first solid to appear is &) 3hom&ic s%lph%r d) 2etallic s%lph%r
is o&tained when ammoni%m dichromate is refrigerant? a) Nitrogen c) Ammonia
9.
&) S# chains d) S rings
$he n%m&er of hydroyl gro%p in phrophosphoric acid is
a) 2onoclinic s%lph%r c) !eagonal s%lph%r .
&) 7 d) Se
3hom&ic s%lph%r consists of
a) * c) 6.
&) 7idi;ing agent d) None of these
5n gro%p 5 A highest electronegati
a) S chain c) S rings
&) C% d) Sn
7n ind%strial scale Nitric acid is prepared &y
Concentrated s%lph%ric acid acts as a
a) S c) F&
&) N#7 d) N#7*
Nitric oide is prepared &y the action of !N7* on
By process the !#S7 prod%ced is p%re and can &e prod%ced of any desired strength.
a) 3ed%cing agent c) "ehydrating agent
&) N# d) N#7*
$he prod%ct formed &y heating mit%re of N7 and N7# are
a) 0e c) n -9.
&) 2onoclinic s%lph%r d) Colloidal s%lph%r
&) Nitrogen peroide d) None of these
a) 4ead Cham&er Frocess &) Contact Frocess c) "owns Cell d) None of these
.
Consider heating N!N7* gentle → Frod%ct $he prod%ct formed is
a) N#7c) N#7 -.
&) N7# d) NaN7*
Which is most sta&le isotope of s%lph%r?
a) N#7 c) N7 -6.
&) C! d) B0*
White phosphor%s :ray phosphor%s iolet phosphor%s 3ed phosphor%s
a) Flastic s%lph%r c) 3hom&ic s%lph%r -.
#.
&) Ft d) None of these
Copper reacts with dil%te nitric acid to form a) Nitric oide c) Nitro%s 7ide
5n ma+ing safety matches we %se a) &) c) d)
--.
1.
$he starting material in Bir+land and =yde process for man%fact%ring of !N7* is a) N!* c) Air
5n 7stwalds Frocess the s%&stance %sed to oide ammonia is a) n c) C7
&) 2o d) S
Which one act as a free radical? a) C7# c) N7
-*.
'.
All its reactions are endothermic $he &ond dissociation 5t contain triple &ond 5ts first ioni;ation energy is
a) n c) 0e -#.
&) Bir+land8=ydes Frocess c) Sol
&) 7ygen d) None
Which compo%nd acts as an oidi;ing as well as a red%cing agent? 21
a) S7# c) Al#7* in
6'.
&) 2n7# d) Cr7* Which of the following acids does not
S H S &ond? a) Fhyros%lphro%s acid &) "ichotomo%s acid c) "ichotic acid d) Fyros%lph%ric acid
61.
7le%m is formed &y com&ining !#S7 with a) S7# c) S
6#.
&) S7* d) !#S
When S7# is passed thro%gh an acidified K2n7 sol%tion a) K2n7 is oidi;ed &) K2n7 is red%ced c) S7# is red%ced d) K2n7 sol%tion t%rns green
CHAPTER # Halo'ens and (o)le ases
1.
Which is the most
#.
Which one is the anhydride of !C57 ? (A) C5#7 (C) C5#7
*.
(B) !Br (") !C5.
5n which of the following> oygen has /# oidation n%m&er ? (A) 0#7 (C) Na#7#
9.
(B) !C5 (") !5.
Which of the following acid is wea+est (A) !C57 (C) !C57*
.
(B) :oitre (") Night &lindness
Which one of the halogen acid is a li,%id ? (A) !0 (B) !Br
6.
(B) Carnallite (") Cryolite.
5odine deficiency in diet is +nown to ca%se (A) Beri&eri (C) 3ic+ets
.
(B) Chlorine (") 5odine
Bromine is o&tained on a commercial scale from (A) Caliche (C) Common salt
-.
(B) C57# (") C5#76
Which of the following halogens does not form its oyacids ? (A) 0l%orine (C) Bromine
.
(B) !C5 (") !0
(B) C5#7 (") Na#7.
0l%orine does not show positi
(A) d8or&itals (C) p8or&itals 1'.
(A) 4ose the o%termost electrons less readily (B) Become lighter in colo%r (C) Become less denser (") :ain electrons less readily.
(B) !Br (") !5.
(B) !C5 (") !5
Bleaching power is o&tained &y the action chlorine gas and
#1.
(A) "il%te sol%tion of Ca(7!)# (B) Concentrated sol%tion of Ca(7!)# (C) "ry Ca7 (") "ry sla+ed lime. 1*.
#.
(B) 5#7(") 5#79
(B) !C5 (") !5.
Which of the following is a false statement ? (A) !ydrogens are strong oidi;ing agents (B) !alogens show only H1 oidation state (C) !0 molec%les form intermolec%lar hydrogen &onding (") 0l%orine is highly reacti
(B) !0 (") K#Cr #76
Strongest hydrogen &onding is shown &y (A) Water (B) Ammonia (C) !ydrogen fl%oride (") !ydrogen s%lphide.
#-.
0l%orine is a &etter oidi;ing agent than Br #. 5t is d%e to (A) Small si;e of fl%orine (B) 2ore electron rep%lsion in fl%orine (C) 2ore eletronegati
(B) Br7# (") 579
Which of the following hydrogen halide has the highest &oiling point ? (A) !0 (C) !Br
19.
(B) C5 (") 5.
(B) !C5 (") !5.
Which one of the following reacts with glass ? (A) !#S7 (C) !N7*
Which of the following halogen oides is ionic? (A) C57# (C) 5#7-
1.
#*.
Which one of the following is the tr%e co
16.
(B) C5# (") 5#.
Which has the highest molar heat of
Which halogen is most electropositi
1.
##.
Which of the following halogens has the highest &ond energy ? (A) 0# (C) Br #
1-.
(B) C5 (B) 5.
Which statement is correct a&o%t halogens ? (A) $hey are all diatomic and form %ni
2ar+ the element which shows only one oidation state in its compo%nds (A) 0 (C) Br
1.
As the atomic n%m&er of halogens increases> the halogens
Bad cond%ctor of electricity is (A) !#0# (C) !Br
1#.
#'.
Which of the following has greatest red%cing power? (A) !5 (C) !C5
11.
(B) s8or&itals (") None
#.
$he element which li&erated 7# from water is (A) F (C) 0
#6.
7;onised oygen can &e o&tained from !#7 &y the action of (A) Conc. !#S7 (C) 2n7
#.
(B) N (") 5.
(B) K2n7 (") 0#
Which one of the following is most &asic ? 23
(A) 08 (C) Br 8 #9.
**.
(B) C! (") !#S7.
1.
(B) 3eddish (") :reenish #.
(B) $rigonal planar (") S,%are planar.
$he forces acting &etween no&le gas atoms are
(A) 1 (C' * *-.
.
(B) # (") -.
(A) "istorted octahedral (B) Fyramidal (C) $etrahedral (") None of the a&o
$he no&le gas was first time disco
*6.
$he colo%red discharge ad
*.
(B) William 3amsay (") 0ran+land. t%&es
for
(B) !eli%m (") A3:7N
Which of the following no&le gases does not ha
(B) 3adon (") !eli%m
&) NaCl7* d) All of these
0l%orine directly com&ines with no&le gases a) Kr c) 3n
.
&) !Br d) !5
Chlorine reacts with hot sol%tion of Na7! to form a) NaCl c) NaCl7
6.
&) Cla%&ers salt d) 7il of
Which one hydride has greater ionic character and had ! H &ond? a) !0 c) !Cl
.
&) Br H 0* d) Br H 5 6
5odine occ%rs as iodate in a) Chile salt peter c) Bl%e
$he str%ct%re of Ve0 is
&) Cl d) 5
Which type of interhalogenis formed &y Bromine? a) Br H Cl &) Br H 0-
Fercentage of Ar in air is a&o%t
&) d)
Which one halogen directly reacts with no&le gas? a) 0 c) Br
*.
&) 0 d) 5
$he interhalogen formed &y iodine re,%ires fl%orine atoms a) * c) 6
(A) ander Waals forces (B) 5on8dipole forces (C) 4ondon disperslon forces (") 2agnetic forces. *.
Which mem&er of gro%p 55 A com&ines with one more halogen? a) Cl c) Br
Vef# molec%le is (A) 4inear (C) Fyramidal
$he lowest &oiling point of heli%m is d%e to its (A) 5nertness (B) :aseo%s nat%re (C) !igh Folaris a&ility (") Wea+ ander Waals forces &Jw atoms
'.
5n discharge t%&e> noon glows (A) Bl%ish (C) Fin+ish
*#.
(B) 5 (") !e.
4east chemical acti
*1.
*9.
Which one of the following elements can ha
*'.
(B) C58 (") 58
&) Ve d) All of these
$he density of p%re li,%id !0 is less then water d%e to a) Co
d) Fresence of three dimensional net wor+ of ! H &ond 9.
$he order of increasing dissociation of !V at 1'''oC is a) !5 (**) !Br ('.-) !Cl ('.'1) !0 (') &) !Br !5 !0 !Cl c) !Cl !Br !5 !0 d) !0 !Cl !Br !5
-'.
-*.
!V7 !V7# !V7* !V7 !V7 !V7* !V7# !V7 !V7* !V7# !V7 !V7 None of these
$he a
-.
!ighly sol%&le in water 4ight yellow color powder 7idi;ing agent 3elease Cl# gas &y reaction with dil%te acids
Sea weeds are important so%rces of a) 0 c) Br
-.
-.
1.
&) Cl d) 5
&) !0 d) !Cl7
&) Cl0* d) 50-
Which statement is tr%e?
5t reacts with Si7# of the glass 5t reacts with the Al#7* of the composition 5t reacts with the Na#7 of the composition 5t reacts with the
0l%orine can &e transported in a special container made %p of a) Al%min%m c) :lass
#.
*.
Are salt prod%cer Are highly reacti
Venon trioide is formed &y a) &) c) d)
-.
Steel cylinders 5ron cylinders Car&on steel cylinders :lass cylinders
!alogen do not occ%r free in nat%re &eca%se they a) &) c) d)
.
!ydrolysis of enon heafl%oride !ydrolysis of &ari%m per enate !ydrolysis of eondifloride None of these
$he +nown fl%orides of enon are a) Ve0# c) Ve0
.
&) Steel d) Car&on steel
Chlorine can &e easily li,%efied and is %s%ally mar+eted in a) &) c) d)
Which one interhalogen can f%rther com&ine with fl%orine? a) 0 H Cl c) Br0-
&) Alcohol d) All of these
!0 is not preser
$he acid %sed for etching glass is a) !Cl c) !N7*
-6.
'.
&) *- H ' d) - H -'
Which one is false for &leaching powder? a) &) c) d)
--.
a) Sol%tion of Kl c) CS#
&) !Br7* d) !70
$he increasing order of acidity and oidi;ing power of 7yacids d%e to increasing n%m&er of oygen atoms is a) &) c) d)
5odine is highly sol%&le in
&) Cl d) 5
$he most recently prepared oyacid of halogen is a) !7Cl c) !57
-#.
-9.
$he halogen which form %nsta&le oides is a) 0 c) Br
-1.
a) =cept 0#7> the oides of all halogen are endothermic compo%nds &) $he higher oides of halogen are more sta&le than lower oides c) $he &ond in the halogen oides are largely co
&) Ve0 d) All of the a&o
2it%re of ' heli%m and #' oygen is %sed for a) Breathing air &y seas di
c) Brea Breath thin ingg &y &y fish fishes es d) All All of these ese 6.
$yres of large aeroplane contain a) !e c) Ar
.
6.
&) Ne d) Kr
Which enon fl%oride is impossi&le? a) Ve0# c) Ve0
9.
a) Nelsons cell c) "owns proce ocess
&) Ve0 d) Ve0*
a) SF c) SF*
&) d#SF d) dSF*
$he gas that will li,%efy with most diffic%lty is
61.
a) !e &) C7# c) N!* d) S7# Which of the following is radioacti
6#.
6.
5n which of the following &romine has an oidation state of / ? a) Br #7 c) Br7*
6-.
66 66..
&) 7ygen d) Nitrogen
5n which of the following oyacids> chlorine has an oidation state of /*? a) !Cl7 c) !Cl7*
# #..
&) !Cl7# d) !Cl7
$he $he ppro roccess ess &as &aseed oonn the the oid oidat atiion of hydrochloric acid with oygen is
!ydrofl%o %orride ac acid is is
Blea Bleach chin ingg ppow owde derr is is o&t o&tai aine nedd &&yy the the interaction of Cl# and a) Sla+ed lime &) Conc. Sol%tion of 2g(7!)# c) "ry Ca7 d) "ry sla+ed lime
*.
$he ele element which li&era erates 7# form water is a) F c) 0
.
&) Br7# d) None
=lectrolysis of Brine prod%ces a) Chlorine c) !#S
6.
&) !Cl d) !5
Fhos Fhosge gene ne is the comm common on na name me of
a) A powerf%l oidi;ing agent &) A wea+ acid c) A strong acid d) A good red%cing agent
&) 0 Cl Br 5 d) 5 Br 0 Cl
Which of the following hydride of halogen is thermally most sta&le? a) !0 c) !Br
1.
$he electron affinity of halogens is of the order a) 0 Cl Br 5 c) Cl 0 Br 5
6*.
&) Br d) At
&) Car&on dioide d) !ydrogen s%lphide
a) Car&on dioide and phosphate &) Fhosphoryle chloride c) Car&onyle chloride d) Car&on tetrachloride
*
6'.
a) Cl c) 5
' '..
&) :reenish Qellow d) Bl%e
$o +ill +ill &a &act cter eria ial>l> mois moistt of of tthe he drin drin+i +ing ng wate waterr is is treated with a) Nitrogen c) Chlorine
$he type of hy&ridi;ation does the oygen has in 70# is #
Chlorine ga gas is is in in col color or.. a) Qellow c) iolet
69 69..
&) Contact process d) "ea eaccons ns pro process ess
Which forms maim%m compo%nds with enon? a) 0 c) Br
-..
&) Ve d) 3n
$he st str%ct%re of Ve Ve70 is a) $etra $etrahed hedra rall c) "ist "istor ortted
6 6..
&) Cl d) 5
Which hich of the the fol folllowin owingg rrar aree gas gases es is no not present in the atmosphere? a) !e c) Kr
.
&) N d) 5
&) S,%are S,%are pyra pyrami mida dall d) 5rre 5rreg% g%llar pe pent ntaago gona nall
Whichh of Whic of tthe he foll follow owin ingg fl% fl%or orid ides es of eno enonn is is not not o&ser
a) Vef c) Ve0
&) Ve0# d) Ve0
(A) Cast iron wro%ght iron steel (B) wro%ght iron steel cast iron (C) cast iron steel wro%ght iron (") cast iron @ steel wro%ght iron .
$he colo%r colo%r of transi transitio tionn metal metal comple complees es is d%e to. (A) d8d transitions of electrons (B) Fara magnetic nat%re of transition element (C) 5oni;ation (") 4oss of s8electrons
CHAPTER # *+ Transition Elements
1.
Which hich of the the foll follow owin ingg is a non8 non8ty typi pica call transition element ? (A) Cr (C) n
#.
(B) 2n (") 0e
(B) Q (") Co
.
(A) n> Cd > !g (C) Cr> 2o> W .
(A) XFt(N!*)(N7#)YS7 (B) XFt N7#C5 (N!*)YS7 (C) XFt C5 (N7#)(N!*)YS7 (") XFt (N!*)(N7#)C5YS7 6.
1#.
$he percentage of car&on in different types of iron prod%cts is in the order of .
$ransition metals ha
S%&stanc S%&stances es which which are wea+ly wea+ly attrac attracted ted &y which type of force are called as paramagnetic s%&stances. (A) Wea+ magnetic field (B) Strong magnetic field (C) 0ee&le magnetic field (") None of the a&o
1*.
$he diamagnetic s%&stances are (A) Wea+ly repelled &y a strong magnetic field (B) Strongly repelled &y a wea+ magnetic field (C) Strongly repelled &y a wea+ magnetic field (") Wea+ly repelled &y a wea+ magnetic field.
(B) 0e> 3%> 7s (") 2n> $e> 3e
Which Which is the form%l form%laa of tetra8 tetra8ami amine ne chloro chloro nitro platin%m (5) s%lphate ?
(B) 1 (") -'
(A) Wea+ &inding forces (B) Strong &inding forces (C) Both of the a&o
$he strength of &inding energy of transition elements depends %pon
:ro%p 5B of transition elements contains
(B) (")
$he total n%m&er of transition elements is. (A) 1' (C) '
f8&loc+ elements are so called.
(A) N%m&er of electron pairs (B) N%m&er of %npaired electrons (C) N%m&er of ne%trons (") N%m&er of protons -.
1'.
11.
(A) Non8typical transition element (B) 7%ter transition elements (C) Normal transition elements (") 5nner transition
Coordination n%m&er of Ft in Xt C5 (N7 #)(N!*)Y8# is. (A) #8 (C) 1
Which Which of the follow following ing is a typica typicall transit transition ion metal ? (A) Sc (C) 3a
*.
9.
1.
Faramagnetic &eha molec%le or ion 27
1-.
$he transition elements incl%des. (A) $i> 0e> Cr> Ni> C% etc (B) $i> 0e> N&> $a> $h> etc (C) 2o> W> r> N&> etc (") $i> 0e> Ci> Ni> C%> 2o> W> r> N&> $a> $h> etc
1.
n has
(A) 5norganic Nomenclat%re Committee (5GFAC) (B) 7rganic Nomenclat%re Committee (5GFAC) (C) Both of the a&o
(A) ero %npaired electrons (B) 0i
16.
5n transition elements the or&ital which is responsi&le for the colo%r de
1.
(A) Central metal atom second (B) Central metal atom third (C) Central metal atom rth (") Central metal atom 1st #.
Fig iron or cast iron contains (A) '.#- to #.- car&on (B) #.- to .- car&on (C) '.1# to '.#- car&on (") None of the a&o
#-.
Wro%ght iron is man%fact%red from
(B) f8or&ital (") o8or&ital
5n X$i (!#7)Y*/ which wa
(A) Fig iron (B) Cast iron (C) Fig Fig iron iron or cast cast iron iron (") Stee Steell #.
(A) Qellow light is a&sor&ed while &l%e and red light are transmitted (B) :reen light is a&sor&ed (C) Both of the a&o
Alloy steels are (A) 5ron atoms s%&stit%ted &y Cr> 2n> and Ni atoms (B) 5ron atoms s%&stit%ted &y Cr> and 2n atoms (C) 5ron atoms s%&stit%ted &y 2n and Ni atoms (") None of the a&o
#'.
S%ch compo%nds containing the comple molec%les or comple ions and capa&le of. (A) "ependent eistence are called coordination compo%nds (B) 5ndependent eistence are called coordination compo%nd (C) None of the a&o
#1.
##.
$he nomenclat%re nomenclat%re of comple compo%nds compo%nds is &ased %pon the recommendation &y the
5n open hearth process process for the man%fact%ring man%fact%ring of steel. (A) Gsing cast iron> wro%ght iron> or steel scrap (B) Gsing cast iron (C) I%st wro%ght iron (") None of the a&o
#6.
5n gal
#.
$he amo%nt of iron destroyed each year &y corrosion e,%al to. (A) A&o%t 1Jth of its ann%al prod%ction (B) A&o%t 1J*rd of its ann%al prod%ction (CZ) Both 1J#nd of its ann%al prod%ction (") None of the a&o
#9.
Almost all the chromates are (A) Bl%e in colo%r (C) 3ed in colo%r
A comple compo%nd may contain (A) Simple catoins and a compleions (B) A comple cations and a simple anion (C) Both of the a&o
5n writin writingg the form%l form%laa of a comple comple ion the %s%al practice is to place the sym&ol of the
*'.
(B) :reen in colo%r (") Qellow in colo%r
K#Cr #76(potassi%m dichromate) is %sed etensi
*1.
a. &. c. d. *#.
4anthanides L actinides s and p &loc+ elements chalcogens and halogens d and f &loc+ elements
Compo%nds attracted &y applied magnetic field are called a) "iamagnetic c) :ood cond%ctor
**.
*-.
*.
:eometry of comple compo%nds depends %pon
*9.
&) =namel d) Coating
When an acti then it
5n Ag#/ the n%m&er of electrons in d or&ital is
.
&) d) 9
A reg%lar decrease in ionic and atomic radii across the lanthanides is called a) &) c) d)
Contraction 5.F 4anthanide Contraction Comple formation
$he magnetic moment can &e meas%red &y a) :o%ys &alance c) "owns &alance
-.
.
n
n
+2
n
n
−
2
2)
n ( n −2 )
&) Gnpaired electrons d) No electrons
&) 0erro magnetism d) None of these
&) # to d) # to 6
Co8ordinate compo%nd with co8ordinate si n%m&er ha
-'.
+
$he n%m&er of ligands attached to the central metal atom or ion> %s%ally
9.
n(n
An etreme case of Fara magnetism is called a) "iamagnetism c) 5somerism
.
&) d)
"iamagnetic compo%nds are those which ha
6.
&) !a&ers &alance d) All of these
$he magnetic moment is related to the n%m&er of %npaired electrons (n) &y the e,%ation a) c)
Any process of chemical decay of metals d%e to action of s%rro%nding medi%m is called a) S%rro%nding c) Corrosion
'.
*.
0or sp*d# hy&ridi;ation> the epected geometry will &e a) $etrahydral &) S,%are planar c) $rigonal &ipyramidal d) 7ctahedral
&) 0e d) 2n
a) 6 c)
&) Coordination sphere d) Comple compo%nd
a) no. of ligand &) no. of chelates c) hy&ridi;ation of central metal d) All of a&o
#.
&) :al
Which element has complete d H or&ital are a) Ni c) n
&) 7alate d) Cyanide
$he central atom along with 4igand is called a) Comple ion c) 4igand
*6.
&) Cation d) Acid
0ollowing ion is a &identate 4igand? a) Ammonia c) Car&onyl
1.
&) s8or&itals d) d8or&itals
$he specie which donates electrons to central metal atom in co8ordination sphere is called a) Anion c) 4igand
a) oltaic cell c) =lectrolytic cell
&) Faramagnetic d) 0erromagnetic
When light is eposed to transition element> then electrons I%mps from lower or&itals to higher or&itals in a) f8or&itals c) p8or&itals
*.
prod%ces
$he location of transition elements is in &etween
$etrahedral S,%are planner 2ay &e tetrahedral or s,%are planner 7ctahedral
Steel is an alloy of iron and is classified into a) 2ild steel ('.1 H '.#C) and medi%m car&on steel ('.# to '.6C) 29
&) 2edi%m car&on steel ('.# to '.6C) and high car&on steel ('.6 to 1.-C) c) 2ild and high car&on steel d) 2ild medi%m and high car&on steel -1.
a) c) --.
Complees which ha
Co8ordination n%m&er $ype of hy&ridi;ation of central metal atom Chelates Both a L &
-.
$itani%m is %sed as catalyst in
An adding K5 to a sol%tion of C%S7 a) C%pric oide is precipitated &) 2etallic copper is precipitated c) C%pro%s iodide is precipitated with the li&eration of iodine d) No change ta+es place
.
5n Cr#7 6# e
6.
.
&) C%S7.*!#7 d) C%S7.-!#7
$he transition elements %s%ally ha
&) Ba%ite d) Al%mina
a) !a&er process &) Catalytic hydrogenation c) 7idation of ammonia to nitric acid d) Folymeri;ation of ethyle into polyethylene
$he form%la of &l%e
a) 4ow
is the important ore of copper.
&) Faramagnetic d) None of these
$he empty spaces &etween atoms of transition metals in their crystal lattices are called a) acant spaces c) 5nterstices
9.
&) $hree 7 atoms d) 0i
A s%&stance which ha
' C% / #' n ' C% / #' Sn #' C% / ' n #' C% / ' Sn
a) C%S7 c) C%S7.!#7 '.
.
Bell metal contains a) &) c) d)
-9.
&) 6' C% d) -' C%
reagent can &e %sed to identify C%#/ ion.
a) 2alachite c) Bl%e itriol
Brass contain #' ;inc and a) ' C% c) ' C%
-.
*.
$he geometry of a comple depends %pon a) &) c) d)
-6.
&) dSF# d) d#SF*
0inely di
a) Nitric acid &) S%lph%ric acid c) Sodi%m hydroide d) Fotassi%m dichromate
&) d) All of these
a) SF* c) dSF* -.
#.
&) N!* d) ="$A
Complees which are less common ha
d) None of these
a) !a&er process &) Catalytic !ydrogenation c) 7idation of ammonia to nitric oide d) Contact process
&) Bidentate d) None of these
Which one is Bidentate ligand a) Cl81 c) N!#(C!#)> N!#
-.
&) $wo d) 0i
="$A is a) 2onodentate c) Folydentate
-*.
1.
4igands are classified into a) 7ne c) $hree
-#.
c) 5ntermediate
&) alence spaces d) None of these
XNi(CN)Y#8 is an eample of a) S,%are planar &) $etrahedral complees c) 7ctahedral complees d) None of these 30
6'.
61.
c) N!* is a stronger &ase than !#7 d) "ipole moment of water is higher than N!*
XC%(N!*)Y#/ is an eample of a) S,%are planar &) $etrahedral complees c) 7ctahedral complees d) None of these
69.
XCo(N!*)Y*/ is an eample of
'.
a) nCl# c) !dCl#
a) S,%are planar &) $etrahedral complees c) 7ctahedral complees d) None of these $he names of are %s%ally %nchanged. a) Anionic ligands c) Ne%tral ligands
6*.
6.
&) Cationic ligands d) None of these
&) Anion &) Anode
6-.
6.
#.
&) "%ctility d) !ardness
&) 7ygen d) None of these
*.
$he state of hy&ridi;ation of car&on atom in methane is (B) Sp# (") dsF#
5n t8&%tyl alcohol> the tertiary car&on is &onded to
Which set of hy&rid or&itals has planar triang%lar shape (A) Sp* (C) Sp#
.
(B) Sp (") dsp#
$he chemist who synthesi;ed %rea from ammoni%m cyanate was (A) Ber;eli%s (C) Wholer
-.
AgCl dissol
&) Cast iron d) Steel
(A) $wo hydrogen atoms (B) $hree hydrogen atoms (C) 7ne hydrogen atoms (") No hydrogen atoms
When potassi%m permanganate is added to a sat%rated a,%eo%s sol%tion of potassi%m hydroide> gas is e
6.
&) Co d) 7s
5ron o&tained from the &last f%rnace is called
(A) Sp* (C) Sp
$he property of a s%&stance which permits it &eing drawn into wire is called a) Softness c) Brittleness
66.
1.
$he most strongly ferromagnetic element is a) 0e c) Ni
2−
Cr 2 O7
&) Cr(7!)# d) Cr(7!)*
CHAPTER # , !ndamental Princi"les of .r'anic C/emistry
0erric oide is a) A &asic anhydride &) An acid anhydride c) An amphoteric anhydride d) :reen in colo%r
2−
CrO4
a) Fig iron c) Wro%ght iron
$he s%ffi DateE at the end of the name of the coordinate comple ion represents aJan a) Cation c) Cathode
&) !g#Cl# d) !gCl#
Cr7* dissol
1. 6#.
Which of the following is deli,%escent?
4inear shape is associated with which set of hy&rid or&itals ? (A) Sp (C) Sp*
.
(B) Kol&e (") 4a
(B) Sp# (") dsp#
A do%&le &ond consists of. 31
(A) $wo sigma &ond (B) 7ne sigma and one pi &ond (C) 7ne sigma and two pi &ond (") $wo pi8&ond 6.
9.
=arly chemists recogni;ed organic compo%nds distinct from inorganic compo%nds &eca%se of (A) $he difference in their origin and properties (B) $he similarities in their origin &%t difference in their propertied (C) Both of the a&o
1'.
$he
11.
1-.
Select from the following the one which is alcohol. (A) C!* 88888888C!#888888887! (B) C!*888888888788888888888C!* (C) C!*C77! (") C!*88888888C!#88888888Br
1.
Nat%ral :as is a (A) 2it%re of hydrocar&ons (B) 2ethane (C) Both of the a&o
1*.
5n Fa+istan the nat%ral gas is %sed for. (A) 0or power generation only (B) 5n coment and fertili;er ind%stries only (C) As a f%el in general ind%stries and for domestic p%rposes (") All of the a&o
B) Catalytic crac+ing ") All of the a&o
$he str%ct%re of al+ynes can &e eplained &y yet another mode of hy&ridi;ation called as (A) Sp# hy&ridi;ation (B) Sp* hy&ridi;ation (C) Sp- hy&ridi;ation (") Sp hy&ridi;ation
16.
2etamerism aries d%e to the. (A) =,%al distri&%tion of car&on atoms (B) Gne,%al distri&%tion of car&on atoms (C) Both of the a&o
1.
Cis8trans isomerism is also called as (A) :eometric 5somerism (B) Fosition 5somerism (C) Chain 5somerism (") 2etamerism
19.
(A) 5norganic compo%nds (B) 7rganic compo%nds (C) Both of the a&o
Crac+ing of petrole%m is ta+en place &y A) $hermal crac+ing C) Steam crac+ing
B) 0riedric+ Wohler ") None of the a&o
We ha
At what temperat%re coal is heated in the o&ser coal gas> and coal tar (A) $emperat%re ranging from -''81'''oC (B) $emperat%re ranging from 1''81'''oC (C) $emperat%re ranging from *''8#'''oC (") $emperat%re ranging from 1'''8*'''oC
=thers show the phenomenon of (A) Fosition isomerism (B) 0%nctional gro%p isomerism (C) 2etamerism (") Cis8trans isomerism.
.
1.
Coal> petrole%m and nat%ral gas are important so%rces of. (A) 7rganic compo%nds (B) 5norganic compo%nds (C) Both of the a&o
#'.
7rganic compo%nds are classified into (A) Acyclic and cyclic compo%nd (B) Acyclic L !eterocyclic (C) Non8cyclic (") All of the a&o
#1.
3ate of reactions of most organic compo%nds are a) ery slow &) ery fast c) 2edi%m 32
d) No reg%lar character present ##.
Coal is prod%ced after a long time decay of a) Animals c) Wood
#*.
=ther f%nctional gro%p can &e represented as a) H7! c) 38783
#.
&) 0ossils d) 7res
#8propanol can show isomerism as
$he hydrocar&ons which gi
#.
5n sp* hy&ridi;ation> the geometry of molec%les will &e a) S,%are planar c) $etrahedral
#6.
&) sp d) All
a) Ben;ene c) Naphthalene
&) Cresol d) Fyridine
&) ' H 1'oC d) ##' H *-'oC
$he octane n%m&er of gasoline may increased &y adding &) Na7! d) FB(C#!-)
*.
Which process increases the yield of gasoline from petrole%m? a) Crac+ing &) Folymeri;ation c) 3eforming d) S%&limation
*6.
Consider the reaction *C#!# → C! $his is the eample of Cu − tube
a) Fyrolysis c) S%&limation *.
*9.
d) C!
Chain isomerism Fosition isomerism 2etamerism 0%nctional gro%p isomerism
$he type of isomerism fo%nd in 1 H &%tene and # H &%tane is a) Fosition c) 0%nctional gro%p
1.
&) C#!
Which type of isomerism is shown &y the following compo%nds? C!* H C!# H C!7> C! * H C7 H C! * a) &) c) d)
'.
&) Folymeri;ation d) Addition
Which one is acyclic hydrocar&on? a) C! c) C!1#
&) ' d) 9'
Which of them is heterocyclic organic compo%nd?
"%ring the fractional distillation of petrole%m> paraffin oil &oils &etween the ranges
a) ="$A c) AgN7*
&) 3eforming d) Condensation
$he f%el ha
*1.
*-.
&) $rigonal pyramidal d) All are possi&le
&) B%tanoic acid d) =thoy &%tane
n8pentane in a mit%re n8&%tane in a mit%re n8heane in a mit%re #> #> H trimethyl pentane in a mit%re
a) #-oC c) 16- H #6-oC
7ctane no. of any f%el can &e impro
*'.
*.
&) Coal gas d) Cr%de coal gas
7ctane n%m&er is the percentage of a) &) c) d)
5n al+yne> the hy&ridi;ation is a) sp# c) sp
#9.
**.
7nly sigma &onds are present in a) Fropene c) B%tanal
#.
&) Aromatic d) Aldehydes
Which one is the mit%re of #1- organic compo%nds? a) Water gas c) Coal tar
&) 38C783 d) 38C77!
a) 2etamerism &) 0%nctional gro%p isomerism c) :eometric isomerism d) None of a&o
*#.
&) Chain d) 2etamerism
$he mem&ers of which of these ha
&) !omolog%es d) 2onomers 33
#.
$he maim%m n%m&er of isomers for an al+ene with molec%lar form%la C! is a) # c)
*.
&) =thane d) B%tane
&) :asoline d) :as oil
A large n%m&er of organic compo%nds> especially the %nsat%rated ones> show a great tendency to %nit. $his process is termed as a) Fyrolysis c) Folymeri;ation
-#.
&) Coal gas d) Both a L c
-6.
$he +ind of isomerism which depends %pon the relati or the position of do%&le or tripe &ond in case of %nsat%rated compo%nds is termed as
5somerism> which in &%t different f%nctional gro%ps are called a) Chain isomerism &) Fosition isomerism c) 0%nctional gro%p isomerism d) 2etamerism
-.
is ehi&ited &y compo%nds ha
&) Crac+ing d) None of these
An isomer of ethanol is
$wo or more than two different compo%nds ha
a) Chain isomerism &) Fosition isomerism c) 0%nctional gro%p isomerism d) 2etamerism
is a mit%re of methane> ethane> propane and &%tane> %sed as a f%el and for ma+ing other organic chemicals. a) 3efinery gas c) Kerosene oil
-1.
-.
Nat%ral gas mainly consists of a) 2ethane c) Fropane
-'.
&) Fhenol d) Car&oylic acid
&) CCl*7! d) None of these
&) 7ctane n%m&er d) None of these
a) Chain isomers &) Fosition isomers c) 0%nctional gro%p isomers d) 2etamers
Fetrole%m in the %nrefined form is called a) 3oc+ oil c) Cr%de oil
9.
--.
&) =thane d) None of these
$he ,%ality of petrole%m is determined &y a) "ecane n%m&er c) !eane n%m&er
&) Al+ene d) All of these
$he chemical form%la of chloride is a) C!*7! c) CCl*C!7
.
-.
&) "iethyl ether d) 2ethanol
When ethylene is heated %nder press%re> a transparent solid polymer> is o&tained. a) Folyethene c) 2ethane
Which of the following compo%nds does not contain an 7! gro%p? a) Alcohol c) Aldehyde
6.
&) 7alic acid d) Flaster of Faris
Kerosine oil is a mit%re of a) Al+ane c) Al+ynes
.
&) (C!*)# !C/ d) All of these
Which of the following is not an organic compo%nd? a) Grea c) Nat%ral gas
-.
-*.
Which of the following is most sta&le ion? a) C!* H !#C/ c) (C!*)* C/
.
&) * d) -
a) "imethyl ether c) =thylene glycol
-9.
5n crac+ing %s%ally catalyst %sed is 34
a) Ft c) Ni '.
&) Al%%minosilicate d) $etra ethyl lead
&) =thers d) 5somer
&) Acetaldehyde d) None of these
&) Ketone d) None to these
$he properties of organic compo%nds are d%e to a) Co
6.
&) C [ C d) All of these
is the common name of propanone. a) Acetone c) "iethyl +etone
.
&) Ketone d) An acid hydride
is the common name of methanol. a) 0ormaldehyde c) Fropionaldehyde
-.
&) !eagon d) $etrahedron
Compo%nds in which two al+yl gro%ps are attached to an oygen atom are called a) Al+anes c) Alcohols
.
of the following are isomers.
Which compo%nd contains an sp hy&ridi;ed C atom? a) C!*CN c) C!*N!#
9.
C/a"ter # 0 Ali"/atic Hydrocar)ons
1.
#.
*.
a) !eane &) # H methlypentane c) #> # H dimethyl&%taned) * H methlypentane
are
Al+anes containing one &ranch on main chain are called &) Normal d) Branched
When one hydrogen atom of al+ane is replacedJremo then it is called a. &. c. d.
.
al+anes
Completely satisfied Fartially satisfied No satisfied No general r%les
a) 5so c) Neo
&) C!*C!7 d) None
Which of the following isomeric s%&stances wo%ld &e epected to ha
alencies in a. &. c. d.
&) 0%nctional gro%ps d) None of these
a) 2ethyl alcohol and dimethyl ether &) =thyl alchohol and dimethyl ether c) Acetone and Acetaldehyde d) Froponoic acid and propanone .
&) 2olec%lar form%la d) Fhysical properties
has the longest &ond length. a) C @ C c) C H C
*.
a) Str%ct%ral form%la c) Chemical form%la
$he general form%la (3C7)#7 represents a) An ether c) An ester
#.
$he isomers m%st ha
5n CCl molec%le the fo%r
1.
6'.
Al+ene Al+yl Aldehyde Sat%rated hydrocar&on Al+anes are also +nown as
a. Sat%rated hydrocar&on 35
&. Gnsat%rated hydrocar&on c. Faraffins d. a L c -.
Sa&atiers Sendrens reaction in
.
6.
Soda lime of a. &. c. d.
&) 7idi;ing agent d) 3ed%cing agent
&) "ecar&oylation d) !ydroylation is
a
2alo;onide into &) C7# / !#7 d) C7/!#7
#'.
:rignard reagent W%rt; reaction $ollens reagent Finacol pinacolo%r reagent
Gpto C atoms> al+anes are gases a) # c)
&) * d)
a. &. c. d.
Fresence of sigma &ond A&sence of pi &onds Fresence of sigma and pi &onds No I%stification a
form%la
al+enes
is
&) Cn!#n8# d) Cn!#n8
3emo
Al+enes are prod%ced "ehalogenation of
from
&) tri8halides al+ane d)
3eacti
##.
&) Al+ene d) & and c
\8 electrons fa
#*.
of
secpriter prisecter tersecpri no specificity occ%rs
a) Al+ane c) Al+yne
Al+anes are less reacti
&) !alogenation d) None
&) C#! d) C!
a) di8halides al+ane c)
is
$he order of dehydration of alcohol is
a. &. c. d.
382g8Br is called a. &. c. d.
1*.
19.
3C77Na/!#7 X=lectrolysisY is +nown as
11.
:eneral
a. &. c. d.
changes
gro%p
:as is %sed in fertili;er
a) Cn!#n/# c) Cn!#n 1.
nitro
&) 0Cl5Br d) Cl0Br5
a) C#! c) C#!#
mit%re
a) Bosch reaction &) Kol& reaction c) Sa&atiers reacti%on d) 0ran+land reaction
1#.
1.
16.
of
7rder of halogenation is a) 5ClBr0 c) 0ClBr5
Ca7 and K7! Ca7 and Na7! Na7! and Na7 Nao and K7!
a) =poide c) 7;onide
1'.
1-.
3emo
9.
&) al+ene L 7# d) al+ene L Cl#
5ntrod%ction called a) Nitration c) S%lphonation
n is a good a) 2etal c) Non8metal
.
1.
4ess reacti
a. &. c. d. #.
An alloy of Ni8C% Alloy of Ni80e Alloy of Ni8Al Alloy of Ni82g
Which mem&er of 5 A has little tendency to form anions or cations? a) F& c) :e
#-.
#.
#6.
*6.
a) SF* &ond c) ! H 7 H ! in water *'.
a) &) c) d) *1.
*#.
n H heane n H pentane # H methyl &%tane #> # H dimethyl propane
"ehydrogenation "ehalogenation "ehydrohalogenation "ehydration
*9.
&) Ben;ene d) =thanol
$he positi
Bromo =thane on treatment with alcoholic K7! yields &) =thene d) Acetylene
2etallic car&ide on treatment with water gi
'.
&) C#! d) C#!#
When acetylene reacts with 1' !#S7 in the presence of !gS7 yields a) C!*7! c) C!*C!7
1.
&) C!*C77! d) C!*7C!*
"ehydration of =thanol gi
#.
Which is least sol%&le in water? a) Fhenol c) Ben;oic acid
&) =thene d) =ther
a) Fropane c) =thylene
&) F and Fy or&itals d) SF &ond
Alcoholic K7! sol%tion is %sed for a) &) c) d)
*.
&) Addition d) Folymeri;ation
$he compo%nd with highest &oiling point is
&) Bromine water d) :lycol
Which of them is %sed as general anesthetic?
a) &) c) d)
&) SF# and SF* d) SF*
&) C#!# d) C#!7
Which of the following has acti
*.
&) =thyl alcohol d) =thylene glycol
When ethylene reacts with chlorine to form an oily prod%ct. $his oily prod%ct is called
a) =thane c) =thyne
Which hy&rid or&ital will form the compo%nd C!* H C! @ C! H C! # H C!*
Among the following or&ital &onds> the angle is minim%m &etween
=thylene reacts with Baeyers reagent to form
a) Baeyers test c) "%tch H li,%id
a) Folar c) Acidic
a) S%&stit%tion c) Fhotolysis #9.
*-.
*.
Which of the following types of reactions occ%r when a reactant has a do%&le &ond?
&) "o%&le &ond d) All of these
a) C7# and !#7 c) =thylene oide
2ethane and other mem&ers of paraffins do not react with a,%eo%s sol%tion of acids> al+alies> K2n7 or other oidi;ing agents this lac+ of reacti
a) SF# and SF c) SF #.
*.
&) Faraffins d) None of these
&) Nonpolar d) Basic
Baeyers test is %se to detect the &ond in an organic compo%nd a) Single &ond c) $riple &ond
&) Sn d) C
Al+anes d%e to little chemical reacti
**.
&) C#!
d) C!
$reatment of propene with cold concentrated !#S7 followed &y &oiling water forms 37
a) Fropyne c) Fropanal .
C!# @ C! H C! * C!# @ C!# C!* H C! @ C! H C! * None of these
6.
Acetylene is %sed as a starting material for the preparation of Flastics> Synthetic r%&&er and Synthetic fi&re called
-6.
'.
Which one of the following gi
"isplacement reaction S%&stit%tion reaction Addition reaction Folymeri;ation reaction
Chloroform is stored in dar+ colo%red &ottles &eca%se in light it is 3ed%ced to CCl 7idi;ed to CCl 3ed%ced to phosgene 7idi;ed to a poisono%s phosgene
0ormation of al+ane &y the action of ;inc on al+yl halide is called a) 0ran+land reaction &) W%rt; reaction c) Canni;;aros reaction d) Ko&es reaction
$he high polymer of chloroprene is
a) Sodi%m Acetate c) Sodi%m 0ormate
Acetylene cyanide Cyanoacetylene inyl ethane Acrylonitrile
Action of !7Cl with ethene to gi
a) &) c) d)
-9.
&) =thyne d) B%tane
Acetylene adds on to !CN to gi
a) &) c) d) -.
&) 4ess reacti
Which one will not decolo%ri;e &romine water?
a) &) c) d)
&) Narlon d) 0orlon
&) Ben;ene d) inyl acetylene
$he compo%nds ha
a) =thene c) Fropene
W%rt;s r%le 0ran+lands r%le 2ar+owni+offs r%le Ke+%les r%le
a) Folythene c) Neoprene -#.
-.
=lectrophilic addition reaction N%cleophilic s%&stit%tion reaction 0ree radical s%&stit%tion reaction 0ree radical addition reaction
a) 7rlon c) Corlon -1.
&) C#! d) C#!#
Consider a reaction C!* H C! @ C!# / ! H V M prod%ct $he reaction occ%rs &y o&eying a) &) c) d)
-'.
--.
$he maIor reactions occ%r in al+anes are a) &) c) d)
9.
&) Fropane d) All of these
&) C#!*Br d) C#!-7!
"ichloro acetaldehyde "ichlorohydrin =thylene chlorohydrin =thylene "ichlorohydrin
a) 2ore reacti
$he str%ct%ral form%la of the compo%nd which yields ethylene %pon reaction with inc is a) C!#Br H C!#Br c) C#!#
.
-.
FC is a polymer of a) C!# @ C!# c) C!# @ C! Cl
=thene on interaction with hypochloro%s acid gi
$he compo%nd ha
.
-*.
2ar+owni+offs r%le pro
-.
&) Fropanol d) # H Fropanol
$he al+ynes ha
1.
$he al+enes ha
a) $etrahedral frame wor+ &) Flanar molec%le c) 4inear str%ct%re d) None of these #.
.
*.
a) =poide c) S%&oide
Al+enes %ndergo a) Addition reaction &) S%&stit%tion reaction c) Both addition L s%&stit%tion reaction d) None of these does not react with a,%eo%s sol%tion of acids> al+alies> or potassi%m permanganate or other oidi;ing agents and most of the %s%al la&oratory reagents. a) Ben;ene c) 2ethane
9.
$he 5GFAC name for the following compo%nd is C!* C!#C!#C!* ] ] C!* H C! H C! H C! H C! @ C!# ] C!* a) > - H dimethyl H * H propyl H # H heene &) > - H dimethyl H * H propyl H 1 H heene c) *H propyl H * H dimethylpropyl H 1 H heane d) #> * H dimethyl H H propyl H - H heane
-.
2ar+o
&) S%per oide d) None
$he process %sed for the preparation of acetylene is a) Berthelot Frocess &) Sa&atier H Senderns 3eaction c) Kol&es Frocess d) !a&ers process
6'.
&) =ther d) Acetic acid
.
When a mit%re of ethane and air is passed o we get
A simple chemical test to disting%ish 1> *8 &%tadiene and 18 &%tyne is a) Br #]CCl c) K2n7
&) Ag(N!*)#7! d) None
a) 5nitial attac+ &y a chloride ion &) 5someri;ation of 1 H chloropropane c) 0ormation of n H propyl cation d) 0ormation of isopropyl cation
.
When an a,%eo%s sol%tion of sodi%m or potassi%m salt of mono car&oylic acid is s%&Iected to electrolytic> corresponding al+ane is formed. $his reaction is called a) Sa&atier Senderens 3eaction &) Kol&es =lectrolysis c) Folymeri;ation d) Chlroination
6.
$he elimination of hydrogen halide (!V) from adIacent car&on atoms is called a) Fyrolysis c) "ehydrohalogenation
&) Chlorination d) None
C/a"ter # Aromatic Hydrocar)ons
1.
$he molec%lar form%la of tol%ene is a) C6!6 c) C!
#.
&) C6! d) C!6
5n &en;ene s%lphonic acid> the s%lphonic gro%p is attached with &en;ene ring thro%gh a) !ydrogen c) S%lpher
&) 7ygen d) H7! 39
*.
Fhenanthrene &en;ene rings a) $wo c) 0o%r
.
&) $hree d) 0i
!ow many \ electrons are there in &en;ene? a) * c)
.
$he molec%lar form%la of &iphenyl methane is
a) HN!# c) HC77! .
1*.
1.
a) Bromine c) 0lo%rine
5n &en;ene the C8C &ond length is larger than the C8! &ond length &y a n%merical
1-.
d.
9.
Which one of the following is not a meta directing gro%p? a) HCN c) HC77!
&) H7! d) HC!7
16.
Which pair of gro%ps contains &oth ortho L para directors? a. &. c. d.
11.
1.
H7!> H3C7 HN3*> HCN H7C!*> HC!7 HN (C!*)#> HN!#
2ichael 0araday disco
n amalgam AlCl* 7rgano8nic+el 3ancy 3ic+el
2it%re of catalysts Cr #7* / Al#7* / Si7# at -''UC are %sed when &en;ene is prepared from a. &. c. d.
19.
^
What catalyst is employed when &en;ene is prepared from acetylene at 6'UC? a. &. c. d.
1'.
1-'.- KJ mole #-'.- KJ mole 1-'.- KJ mole #-'.- KJ mole
$he resonance &etween different str%ct%res is represented &y a. &. c.
&) Chlorine d) 5odine
8#19.- KJ mole #19.- caloriesJ mole 8119 KJ mole 8119 CalJ mole
$he resonance energy of &en;ene is a. &. c. d.
1.
&) '.*'6 nm d) '.*'6 nm
$he heat of hydrogenation of cycloheene is a. &. c. d.
&) HC!7 d) HCN
When &en;ene is s%&stit%ted &y halogens only> which one of the following halogens is gi
&) $hree d) Si
a) '.*'6Ao c) '.**6Ao
&) C1#!1# d) C1*!1#
When two or more different s%&stit%ents are attached with a &en;ene ring> the n%m&er 1 position in the ring is gi
!ow many moles of !# are added %p when &en;ene is heated with hydrogen in the presence of platin%m? a) $wo c) 0o%r
&) d)
a) C1#!1' c) C1*!1' 6.
1#.
Aniline is a deri
-.
c. $he a&sence of 7ygen d. $he presence of ecessi
Cycloal+ene n8heane Ben;ene s%lphonic acid Sodi%m &en;oate
Which one of the following methods will not gi
a. !eating so. Salt of Ben;oic acid with soda lime &. "istillation phenol with n d%st c. Chloro&en;ene with Na7! at *' UC L *''atm. d. !ydrolysis of &en;ene s%lphonic acid with s%per heated steam. #'.
What is the ratio of conc. !N7* L conc. !#S7 when nitration of &en;ene is done at -'UC? a) 11 c) 1#
#1.
&. c. d.
Strong n%cleophile Wea+ n%cleophile Strong electrophite Wea+ electrophite
7 __ 3 ` C ` 7 ` 7 __ Cl ` C ` 7 __ 3 ` C ` 7 __ ! ` C `
S%&stit%tion reaction Addition reaction Folymeri;ation reactions 7idation reactions
"%ring s%lphonation of &en;ene> !#S7 generates electrophile a) !S78
&) S7#
S%&stit%tion reaction Addition reaction =limination reaction 7idation reaction
Which one of the following statement is not correct a&o%t &en;ene? a. 7n hydrogenation> #' KJ mole is li&erated &. C8! &ond length in &en;ene is 1.'9Ao c. 2olec%lar mass of &en;ene is 6.1' d. 3esonance energy of &en;ene is 1-'.- K Cal J mole
*1.
$he preparation of &en;ene from acethylene can also &e said as a) 7idation c) "ehydration
*#.
&) Folymeri;ation d) Condensation
What is re,%ired other then anhydro%s AlCl*> when tol%ene is prepared from 0riedel craft reaction? a) C! &) C! / C!*Cl c) C!-C#!- d) C!- ` C!# `
**.
$he r%pt%ring of Ben;ene mg S%&stit%tion reaction Addition reaction No8reaction
Ben;ene does not %ndergo a. &. c. d.
#.
*'.
&) Nitro &en;ene d) Chloro&en;ene
Ben;ene is heated in air with #7- at -'UC it %ndergo a. &. c. d.
&) Ketone d) 7ther
3eacting &romine with &en;ene in the presence of s%nlight will res%lt in a. &. c. d.
#-.
#9.
&) N7 d) N7#/
Which compo%nd will readily %ndergo s%lphonation? a) Ben;ene c) :ol
Acetophenone is a a) R%inone c) Aldehyde
#.
#.
d) N7#/
Nitroni%m ion is a) N7* c) N7#8
Acylation of &en;ene is the introd%ction of on &en;ene.
a.
#*.
#6.
5n 0riedel Craft Al+ylation> AlCl* is %sed to generate a. &. c. d.
##.
&) #1 d) #*
c) N7#8
3eplacement of hydrogen of &en;ene &y al+yl gro%p in press%re of al+yl halide L ferric chloride is +nown as a. &. c. d.
*.
"ows process 0riedel L Craft acylation 0riedel L Craft al+ylation Clemenson reaction
Which of the following radical is called &en;yl radical? a) C!- ` c) C!- `C!`
*-.
&) C!- `C!@C!# d) C!- `C!# `
Which compo%nd form &en;oic acid on oidation with strong oidi;ing agent? a) $ol%ene
&) =thyle &en;ene 41
c) n8propyl &e;ene d) all *.
$ol%ene can &e con
*6.
Which one of the following is &en;al chloride? a. &. c. d.
*.
"il Na7 2it%re of !N7* L !#S7 n d%st Acidified K2n7
C!- C!#Cl C!- C!Cl# C!- `C! @ C!Cl None of the a&o
&) C!-C!Cl# d) C!-C!*
Ben;yl chloride Ben;al chloride m H Chloro $ol%ene 7JF Chloro $ol%ene
Fi and sigma &onds * Fi and * sigma &onds * Fi and 1# sigma &onds Fi and * sigma &onds
Common reaction of Ben;ene and its deri
.
.
=lectrophilic addition =lectrophilic s%&stit%tion N%cleophilic addition N%cleophilic s%&stit%tion
Ben;ene when treated with acetyl chloride in the presence of AlCl* yields
Nitro gro%p is 7JF gro%p Nitro gro%p is electron donating gro%p Bonding occ%rs in F H nitro phenol None of these
Which of the following can &e easily nitrated? a) Fhenol c) Nitro &en;ene
-'.
7 H &en;ene s%lphonic acid F H &en;ene s%lphonic acid m H &en;ene s%lphonic acid 7JF &en;ene s%lphonic acid
Ben;ene can &e o&tained &y a) &) c) d)
-*.
3eaction of ;inc and phenol !ydrolysis of &en;ene s%lphonic acid 3ed%ction of &en;ene chloride All of these
o H ylene on oidation yields a) 7alic acid c) $ol%ene
-.
&) Ben;ene d) None of these
S%lphonation of &en;oic acid gi
-#.
&) Ben;oic acid d) All of these
Aspirin is o&tained &y reaction of s%lph%ric acid and a) Fhenol c) Acetyl chloride
-1.
&) Ben;oic acid d) Ben;ophenone
$he &.p of F H nitro phenol is higher than that of 7 H nitro phenol &eca%se a) &) c) d)
9.
&) $rinitro&en;ene d) Nitro &en;ene
$ol%ene on reaction with acidic K2n7 prod%ces a) Fhenol c) Ben;yl alcohol
Ben;ene is made of a) &) c) d)
*.
6.
&) Acetic Acid d) Ben;aldehyde
Which of the following is not an eplosi
&) Ben;aldehyde d) :lyoal
$he reaction of tol%ene with chlorine in the presence of 0eCl* gi
#.
&) C!-7 d) C!7
Which of the following will %ndergo nitration more easily and readily? a) C! c) C!-CCl*
1.
.
&) Ben;yl Chloride d) Acetophenone
Fassing
$he hydrolysis of Ben;enetrio;onide will yield three moles of a) :lyoine c) :lycol
'.
-.
What is the molec%lar form%la of Ben;enetrio;onide? a) C!79 c) C!-79
*9.
a) Acetyl Ben;ene c) Ben;ophenone
&) o H Fhthalic acid d) m H Fhthalic acid
$he resonance energy of &en;ene is a) * IJmol c) * KcalJmol
&) * calJmol d) none of these 42
--.
a) C% c) 0eCl* -.
e,%ili&ri%m. d) Neither of the two str%ct%res descri&es &en;ene ade,%ately
$he catalyst %sed for halogenation of &en;ene is &) Ni d) n
*.
$he con
Which one is nitroni%m ion? a) NO c) NH
−1
3 +1
4
a) Br #> heat and light &) Cl#> 0eCl* c) K2n7> 7!8> heat (then !*7/) d) None of the a&o
+1
&) NO d) None of these 2
. -6.
Which s%&stit%ent gro%p decrease the reacti &eca%se they a) 5ncrease the electronic density of &en;ene ring &) "ecrease the electronic density of &en;ene ring c) "ecrease the sta&ility of phenoni%m ion d) Both & L c
-.
'.
&) Cycloheane d) None of these
&) Cl#> 0eCl* d) None
Ben;ene reacts with chlorine to gi
.
6.
Ben;ene was fo%nd &y in 1#- in the gas prod%ced &y the destr%cti
.
&) Gltra
Which of the following will &e least reacti
a) 5ncrease the electronic density of &en;ene &) "ecrease the electronic density of &en;ene c) "ecrease the sta&ility of phenoni%m ion d) Both & L c
&) Nitro&en;ene d) Aniline
Ben;ene and cycloheene can &e disting%ished &y which of the following test? a) AgNo* ]C#!-7! c) Br # ]CCl
&) Ag(N!*)#7! d) None
Which of the following test can &e %sed to disting%ish C!-C!#Br and C!-C!*? a) Ag(N!*)#7! c) AgN7* ]C#!-7!
&) 2ichael 0araday d) None of these
&) Br# ]CCl d) !ot K2n7
3eplacement of hydrogen atom &y H S7#7! is called a) Nitration c) Al+ylation
#.
-.
2eta orienting gro%ps decrease the reacti
a) !ofmann c) Sol
a) Cl#> light c) S7Cl#
Ben;ene on o;onolysis prod%ces a) Ben;oic acid c) :lyoal (C!7 #)#
-9.
$he con
&) S%lphonation d) !ydrogenation
$he Ke+%le str%ct%res of &en;ene are related in which of the following way? a) $hey are eac e,%ally correct as str%ct%re for &en;ene. &) Ben;ene is sometimes one str%ct%res and sometime the other. c) $he two str%ct%res are in a state of rapid
CHAPTER # 1 Alkyl Halides
1.
What sho%ld &e the prod%cts when reactants are alcohol L thionyl chloride in the presence of pyridine? 43
a) 3Cl/S/!Cl c) 3Cl/S7#/!#7 #.
11.
Which al+yl halide o%t of the following may follow &oth SN1 and SN# mechanism? a. C!*`V
Which C8V & on h as the h ighest & ond energy per mole? a) C80 c) C8Br
*.
&) 3Cl/S7#/!Cl d) 3Cl/S/!#7
CH3 H )+ CH34 C 4 C 45 CH3 H CH3
&) C8Cl d) C85
Which al+yl halides has the highest reacti for a partic%lar al+yl gro%p?
c+
CH 4 5
CH3
a) 380 c) 38Br .
&) Cl d) 5
Which one is not a n%cleophile? a) C#!-7` c) N!*
.
$he n%m&er of molec%les ta+ing part in the rate determining step is called
"%ring SN# mechanism>car&on atom changes it state of hy&ridi;ation from a) spMsp# c) sp*Msp
.
9.
a) !S7 ` c) 7!` 1'.
1.
&) 0irst d) $hird
alcohol
When C7# is made to react with ethyl magnesi%m iodide> followed &y acid hydrolysis> the prod%ct formed is &) Fropanoic acid d) Fropanol
:rignard reagent is reacti
16.
and &) !# d) 7#
a) Fropane c) Fropanal 1.
&) 1 mole of ethane d) 1 mole of &%tane
n8C% co%ple generate a) X!Y c) X7Y
1-.
&) b8car&on d) b8hydrogen
When two moles of ethyl chloride react with moles of sodi%m in the presence of ether> what will &e formed? a) # moles of ethane c) # moles of &%tane
&) Cl` d) Br`
What is the order of +inetics in the SN1 mechanism? a) ero c) Second
1*.
&) 7ne d) $hree
Which one among the following is not a good lea
5n elimination reaction of al+yl halide> which site is more s%scepti&le for the attac+ of n%cleophile? a) 8car&on c) 8hydrogen
&) sp#Msp* d) sp*Msp#
What will &e the order of reaction of a reaction whose rate can &e epressed 3 @ K XAY XBY? a) ero c) $wo
1#.
&) SCN` d) !*C/
a) 7rder of reaction &) 3ate or reaction c) 2olec%larity of a reaction d) =tent of a reaction 6.
CH3 d+ CH34 C4 5 CH3
#. is the electronegati
-.
&) 38Cl d) 385
$he presence of halogen atom $he presence of magnesi%m atom $he polarity of C82g &ond All
SN# reaction can &e &est carried o%t with a. Frimary al+yl halide &. Secondary al+yl halide 44
c. $ertiary al+yl halide d. All
1.
=limination in
19.
a)$wo c) 7ne
&) =#/SN# d) SN1/SN#
$he rate of =1 reaction depends %pon
(A) 0lo%ride chloride Bromide 5odide (B) Chloride Bromide 0lo%ride 5odide (C) 5odide Bromide Chloride 0lo%ride (") Bromide 5odide Chloride 0lo%ride #. When C7# is made to react with ethyl magnesi%m iodide> followed &y acid hydrogen> the prod%ct formed is.
Al+yl halides are considered to &e
Which one of the following species in not an electrophile? a) N!* c) !/
#*.
(A) Fropane (C) Fropanal
a) Alcoholic K7! c) Al+aline K2n7 #.
a) Frimary alcohol c) $ertiary alcohol
(A) $he presence of halogen atom (B) $he presence of 2g atom (C) $he polarity of C82g atom (") None of the a&o
&) Secondary alcohol d) "ihydric alcohol
SN# reactions can &e lest carried o%t with (A) Frimary al+yl halides (B) Secondary al+yl halides (C) $ertiary al+yl halides (") All of these
*1.
=limination &imolec%lar reactions in
&) A,%eo%s K7! d) A,%eo%s Na7!
Which one of the following alcohols will &e formed when ethyl magnesi%m &romide reacts with acetone?
(B) Fropanoic acid (") Fropanol
#9. :rignard reagent is reacti
&) Br / d) B0*
Which one of the following reactants will &e re,%ired to form ethane from ethyl chloride?
&) $hree d) 0o%r
#6. $he reacti
a. $hey ha
&) Acetaldehyde d) C7#
#. 5n primary al+yl halides> the halogen atom is attached to a car&on which is f%rther attached to how many car&ons atoms
0or which mechanisms> the first step in
a. $he concentration of s%&strate &. $he concentration of n%cleophile c. $he concentration of s%&strate as well as n%cleophile d. No dependence #1.
Which one of the following molec%les does not form alcohol when reacts with :rignard reagent? a) 0ormaldehyde c) Fropanone
reactions
0irst order +inetics Second order +inetics $hird order +inetics ero order +inetics
a) =1/=# c) S1/SN1 #'.
&imolec%lar
#-.
*#.
0or which mechanism the 1st step in
**.
(B) =# and SN# (") =l and SN1
Al+yl halides are considered to &e
&eca%se.
*.
c) 37!
(A) $hey ha
#)
$he rate of => reaction depends %pon
*)
(A) $he concentration of s%&strate. (B) $he concentration of n%cleophile (C) $he concentration of s%&stratc as well as %ncleophile (") None of the a&o
*)
Which 2onohaloal+ane can not &e o&tained &y the direct action of halogen and al+ane? a) &) c) d)
*6)
3Cl 3Br 35 None of these
=ther Water Fyridine Acetone
)
-)
Car&on carrying negati
')
&) Car&on ion d) 7ide ion
0ormation of al+ane &y the action of inc on al+yl halide is called a) W%rt;s reaction &) Sa&atier reaction c) 0ran+lands reaction d) Kol&es reaction
1)
Which of the following is an electrophile? a)
O H
&) * d) 1
SN# reactions occ%r in Frimary al+yl halide Secondary al+yl halide $ertiary al+yl halide All of these
Which SN reaction occ%rs in two steps?
Which one compo%nd? a) 32gV c) 37!
-')
&) SN# d) None of these
5n SN# reactions> two reactants are in
9)
are
SN reactions are classified into types
a) &) c) d)
)
reactions
&) SN d) 3C!7
a) c) #
6)
&) Secondary amine d) 2it%re of amines
N%cleophilic s%&stit%tion represented &y
a) SN1 c) Both
$he reaction of Sodi%m metal with al+yl halide in the presence of =ther is called
a) Car&oni%m ion c) 7oni%m ion
When Ammonia reacts with ecess of al+yl halides gi
a) =1 c) 37!
a) W%rt;s reaction &) Sa&atier reaction c) 0ran+lands reaction d) None of these *9)
=lectrophilic s%&stit%tion N%cleophilic s%&stit%tion =lectrophilic addition N%cleophilic addition
a) Frimary amine c) $ertiary amine
)
0or the preparation of 3V> &y the reaction of Alcohol and $hionyl Chloride re,%ires the presence of a sol
*)
(B) !#S (") N!*
Al+yl halides gi
*-. Which one of the following is not a n%cleophile (A) !#7 (C) B0*
d) B0*
&) $hree steps d) 0o%r steps of them is
&) 3V d) 3C!7
When :rignard reagent formaldehyde to yield a) C!*7! c) C!*C7C!*
organometallic
reacts
with
&) C#!-7! d) C*!
&) N!* 46
-1)
$he chemical reaction in which !V is remo
-#)
A n%cleophile is a
-)
)
6)
1)
=thyl iodide on its interaction with sil
6')
&) nCl# d) None
When metallic sodi%m in ether is heated with an al+yl halide> a higher al+ane is formed. 5t is called &) W%rt;s reaction d) None
Which molec%le has a ;ero dipole moment? a) C!*Cl c) C!#Cl#
a) 2ethyl phosphate &)$rimethyl phosphate c) "imethyl phosphate d) None of these
&) $=4 d) All of these
0orm%la of $hionyl chloride is
a) S%lphonation c) 0riedel8Crafts reacton 9)
&) 2ar+owni+offs r%le d) !offmanns r%le
Which of them is organometallic compo%nd?
a) S7Cl# c) C!*Cl )
&) 3#C!V d) All of these
$he remo
a) 32gV c) $24
&) C!*l d) C#!-7!
32gV reacts with FCl* gi
=1 reactions occ%r in
a) W%rt;s r%le c) Sayt;eefs r%le
&) 2ethyl ester d) Acetyl halide
&) $ertiary alcohol d) Ketone
SN# and =# is a side reaction =# and SN# is side reaction =1 and SN# is side reaction All of these
a) 3C!#V c) 3*CV
Both methane ethane may &e prepared in one step reaction from a) C#! c) C!*7!
')
)
&) =ster d) Car&oylic acid
:rignard reagent reacts with formaldehyde to form a) Frimary alcohol c) Acetic acid
-9)
=lectrophilic s%&stit%tion reaction N%cleophilic s%&stit%tion reaction Addition reaction 7idation reaction
5n electron pair donor is a strong &ase (OH , OR ) then the dominant reactions will &e a) &) c) d)
&) 0ast step d) None of these
2ethyl iodide reacts with sil
-)
*)
&) 4ewis &ase d) Arrheni%s &ase
Which one of the organic compo%nd is witho%t oygen? a) =ther c) Al+yl halides
-6)
&) 4ewis &ase d) Arrheni%s &ase
3ate determining steps in SN1 reaction is always the a) Slow step c) 5ntermediate
-)
=limination reactions are the re
An electrophile is a a) 4ewis acid c) Arrheni%s acid
--)
&) =thyl nitrite d) None of these
W%rt;s reaction 0ran+lands reaction !offmanns reaction 0riedal Craft reaction
a) 4ewis acid c) Arrheni%s acid -)
#)
3eaction of 3V with Ammonia is called a) &) c) d)
-*)
"ehydrogenation "ehydrohalogenation "ehydration "ehalogenation
a) =thyl nitrate c) Nitro methane
&) CCl d) C!Cl*
:rignards reagent reacts with al+yl halide to form a) Al+anes
&) Al+ynes 47
c) Al+enes 61)
d) Alcohols
7n passing C7# thro%gh :rignard reagent is formed. a) 2ethanoic acid &) =thanoic acid c) Al+yl sodi%m halide d) None of these
6#)
$he hydrolysis of al+yl halides &y heating with a,%eo%s al+ali is a s%&stit%tion reaction. a) =lectrophilic c) Both a L &
6*)
=thyl &romide can &e con a) A,%eo%s K7! c) 2oist sil
6)
&) C% 5 d) Na
SN# reaction proceeds
6)
&) C!*C!Cl# d) BrC!#C!#C!#C!#Br
* H Bromoheane can &e con !/ c) (C!*)#C%4i
66)
&) # H B%tyne d) # H B%tene
Which of the following is a
6)
&) =thanoic K7! d) Both a L c
$he maIor prod%ct o&tained &y treating # H chloro&%tane with alcoholic K7! is a) 1 H B%tyne c) 1 H B%tene
6-)
&) N%cleophilic d) None
&) $ransition sate d) Car&anion
Which of the following al+yl halide reacts fastest with AgN7*? a) (C!*)*C H Cl c) C!*C!#C!#Cl
&) (C!*)# C! Cl d) (C!*)#CC!#8Cl
48
9. CHAPTER # 11 Alco/ols P/enols and Et/ers
1.
Which one of the following is termed as &en;yl alcohol? a) C!-7! c) C!-C!#7!
#.
a) *8hydroy propanioc acid &) #8hydroy propanioc acid c) #8hydroy &%tanoic acid d) *88hydroy &%tanoic acid *.
Which one of the following is also +nown as tartaric acid? a) #>*8dihydroy &%tanedioic acid &) #>#8dihydroy &%tanedioic acid c) #>*8dihydroy &%tanioc acid d) #>#8dihydroy &%tanioc acid
.
Water gas heated at -'UC and #'' atm press%re in the presence of n7/Cr #7* will prod%ce a) 2ethanal c) Car&onic acid
-.
.
&) 0iltrate d) 2olasses
$he form%la of starch is a) C1#!##711 c) C!1'7-
6.
&) 2ethanol d) 2ethane
$he resid%e o&tained after the crystalli;ation of s%gar from concentrated s%gar cane I%ice is called a) 2other li,%or c) =tract
&) C!97d) C!1#7
$he process of fermentation of starch in the se,%ence of en;yme %sed are a) "iastase8maltase8;ymase &) ymase8maltase8;ymase c) 2altase8diastase8;ymase d) "iastase8;ymase8maltase
.
$he rectified spirit contain a) 1# alcohol c) 91 alcohol
a) 7ygen &) !ydrogen c) Nascent oygen X7Y d)Nascent hydrogen X!Y 1'.
&) C!-C!(7!)# d) None
Which one of the following is also +nown as lactic acid?
&) 9' alcohol d) 1'' alcohol
K#Cr #76J!#S7 generate
$he oidation of isopropyl alcohol will yield a) Fropane c) Fropanone
11.
&) Fropanol d) Fropanoic acid
Which one is primary alcohol ? a) B%ten8#ol &) Fropan8#8ol c) B%tan818ol d) #>*8"imethytheane88ol.
1#.
Action of nitro%s acid on ethylamine gi
1*.
&) C#!-7! d) C#!-7! and N!*.
=thyl alcohol is ind%strially prepared from ethylene &y a) Fermanganate oidation &) Catalytic red%ction c) A&sor&ing in !#S7 followed &y hydrolysis d) 0ermentation.
1.
0inal prod%ct formed on red%ction of glycerol &y hyddriodic acid is a) Fropane c) Fropene
1-.
Fhenol on treatment with cone. !N7* gi
1.
&) 3ectified spirit d) 2ethylated spirit
:lyccrol is a a) Frimary alcohol c) Secondary alcohol
#'.
&) C!*7! d) None of these
=thanol containing some methanot is called a) A&sol%te spirit c) Fower alcohol
19.
&) Strong acid d) Ne%tral
$he form%la of wood spirit is ? a) C!*C77! c) C#!-7!
1.
&) Styphinic acid d) None
Alcohols are a) Basic c) Amphatere
16.
&) Fropanoic acid d) None of these
&) 2onohydric alcohol d) $ri&ydric alcohol.
:lyccrol can &e o&tained from 49
a) 0ats c) Both
#1.
$he en;yme which can catalyse con
##.
a) Fieric acide c) #>"initrophenol
the
3ectified spirit is a mit%re of
&) A5#7* d) A55.
&) Al+enes d) A55.
Alcohol fermentation is &ro%ght a&o%t &y the action of a) C7# c) 5n
#9.
*-.
&) Acetic acid d) None of these
=lectrophilic s%&stit%tion in phenol generally occ%rs at a) 78 and F8position &) 2etapositions c) 7nly at ortho positions d) 7nly at para position
*.
Fhenol is more readily sol%&le in a) dil. !Cl &) Both Na7! and !Cl c) Na7! sol d) Sodi%m &icar&onate sol%tion.
*6.
$he order of reacti
*.
&) !5 !Br !Cl d) !Br !Cl !5.
$he reaction of =thanol with !#S7 does not gi
&) 7# d) Qeast.
Amongst the following phenols which is most acidic?
&) !ydrolyais d) !ydrogenation
Alcoholic &e
Alcohols reacts with :rignard reagent to form a) Al+anes c) Al+ynes
#.
*.
&) Ammonical AgN7* d) CaS7#JCa(7!)#
$he reaction &etween alcohol and car&oylic acids is called a) =sterification c) Saponification
Which of the following can wor+ as a dehydrating agent for alcohol ? a) !#S7 c) F#7-
#6.
**.
&) =thyl alcohol d) 2ethanol
BaeyerOs reagent is a) Al+aline K2n7 c) Ammonial C%S7
Alcohola of low molec%lar weight are a) Sol%&le in water &) Sol%&le in water on heating c) 5nsol%&le in water d) 5nsol%&le in all sol
#.
*#.
&) HCN d) A55.
Which is %sed as an antifree;e ? a) :lyeol c) Water
Which of the following is not a characteristic of alcohol ? a) $hey are lighter than water &) $heir &oiling point rise fairly %niformly with rising molcc%lar weight c) 4ower mem&ers are insol%&le in water and organic sol higher mem&ers are colo%riess and tasteless.
#-.
*1.
&) #8Nitrophenol d) m8Nitrophenol.
Which of the following gro%ps will increase the acidity of phenol ? a) HN7# c) HV(halogens)
&) 5n
a) 9- ethyl alcohol /- water &) 9 ethyl alcohol /.-* water c) 9. ethyl alcohol / -.* water d) 9-.6 ethyl alcohol /.1* water #.
*'.
&) 5n
!ydrolytic con
#*.
&) Fropyiene d) None
*9.
Which one of them is a monohydric alcohol? 50
a) C!*C!(7!)# c) C#!-7!
'.
:lycol is alcohol a) 2onohydric c) $rihydric
1.
F%re methyl alcohol 2ethyl alcohol containing water 2ethanol containing methanal =thanol containing methanol
Alcohol reacts with car&oylic acids> acid an hydrides and acid halides to form a) =ther &) =sters
-.
An alcohol prod%ced in the man%fact%re of soap is a) =thanol c) :lycerol
.
&) Fropanol d) :lycol
$he formation of Acetaldehyde from ethanol is called a) 7idation c) Addition
9.
&) 7lefins d) =sters
&) 3ed%ction d) S%&stit%tion
"enat%red Alcohol is +nown as
Which one of the following will not ta+e place if 1 H Fropanol is %nder test?
Ba+elite plastic polymeri;ation of a) Fhenol c) =thane
-#.
-*.
&) Acetic acid d) !ydrochloric acid
&) Acetic acid d) Ben;aldehyde
&) o H nitro phenol d) None of these
&) $rinitroBen;ene d) Nitro&en;ene
&) C! d) C!-C!7
=ther is sol%&le in a) Water c) Conc. K7!
-.
&) Acetylene d) oJp methylol phenol
Sodi%m salt of &en;ene s%lphonic acid on f%sion with ca%stic soda gi
-6.
the
Which of the following is not an eplosi
-.
&y
Fhenol reacts with dil%te !N7* in the presence of concentrated !#S7 yields a) oJp nitro phenol c) p H nitro phenol
--.
formed
Fassing
-.
is
Acidified potassi%m dichromate is also called a) Chromic acid c) 5odic acid
&) Secondary alcohol d) All of these
4ow temperat%re and ecess of Alcohol fa
6.
-1.
&) Ketone d) Aldehyde
Strongly acidic sol%tion of Na#Cr #76 is re,%ired for the oidation of a) Frimary alcohol c) $ertiary alcohol
.
&) Aldehyde d) Acetic acid
C!*7! L C!*C77! C!*C77! L C!*C7C!* C!*7! L Fyridine None of these
&) Wood spirit d) inegar
a) $he formation of !# when sodi%m is added to it &) $he formation of 1 H &romopropane when reacts with NaBr and concentrated !#S7 c) $he formation of sweet smelling compo%nd when reacts with a mit%re of C!*C77! and concentrated !#S7 d) $he formation of yellow colored prod%ct when phenyl hydra;ine is added to it
2ethylated spirit is a) &) c) d)
.
&) "ihydric d) Both a L &
=thyl Alcohol is denat%red &y adding a) &) c) d)
*.
-'.
Wood Naphtha is the commercial name of a) =thyl alcohol c) 2ethyl alcohol
#.
a) A&sol%te alcohol c) 2ethylated spirit
&) C!*C(7!)* d) None of these
&) "il !Cl d) Conc. !#S7
By accepting a proton> oygen atom of the =ther forms a) Car&oni%m ion
&) Car&on ion 51
c) 7oni%m ion -9.
#.
into
&) Addition d) S%&stit%tion
&) "il !N7* d) None of these
6-.
6.
&) Acid d) Ben;ene
&) Baeyers test d) $ollens test
A,%eo%s Br # Na#Cr #76 in dil !#S7 A,%eo%s NaCl Both a L &
Which one attac+ easily on phenol ring a) =lectrophile c) Acid
&) N%cleophile d) None of these
&) Al+yl halides d) None of these
"%ring the dehydration of alcohols> relati
'.
&) Co
Alcohols may &e con
69.
&) 2inerals d) None of these
C!*7! and C#!-7! are highly misci&le with water &eca%se they ehi&its a) 5onic &onding c) !ydrogen &onding
6.
&) Blindness d) None
=thyl alcohol is prod%ced on commercial scale &y the &iological &rea+ down of a) Starch c) Cell%lose
66.
&) 7rganic acid d) Both a L &
2ethyl alcohol can ca%se a) Cancer c) Aneimia
Which one can &e %sed to differentiate &etween phenol and methyl alcohol? a) &) c) d)
9.
alcohol
&) 5odoform test d) Baeyers test
Fhenol is wea+er acid than a) Water c) !V
Fhenol and &en;yl alcohol can &e disting%ish &y %sing a) dil !Cl c) A,%eo%s &romine
.
ethyl
6.
Faraffins dissol
6.
&) Ketone d) =ther
&) =lectrophile d) All of these
$he test which is %sed to disting%ish &etween primary> secondary and tertiary alcohols a) 4%cas $est c) Benedicts test
"iethyl ether is sol%&le in a) Water c) Conc. !#S7
.
6*.
&) Acid d) None of these
Al+oide ion is a) A powerf%l acid c) N%cleophile
&) Faraffins d) "imethyl +etone
$he con
-.
&) $N$ d) $ol%ene
Alcohol reacts with an organic acid to yield a) An ester c) Al+yl halides
.
6#.
&) 0ormaldehyde d) Kerosene oil
Al+oide ion is a powerf%l a) Base c) Salt
Which one is methoy methane? a) 7lefins c) "imethyl ether
*.
61.
&) H C!7 :ro%p d) =ster :ro%p
Fhenol reacts with Bromine water to form a) Ficric acid c) $ri&romo phenol
=thers ha
&) =thers d) Aldehydes
Wa contains a) H 7! :ro%p c) Ketonic :ro%p
1.
6'.
Williamsons synthesis is %sed to prepare a) Alcohols c) =sters
'.
d) 7ide ion
&) 7lefin d) None
5sopropyl alcohol on oidation gi
a) =ther c) =thylene 1.
3ectified spirit contains alcohol. a) 9-. c) 1''.'
#.
.
&) 6-.' d) -.
Frimary> secondary and tertiary alcohols may &e disting%ished &y %sing a) 0ehlings sol%tion c) !ofmann set
*.
&) Acetone d) Acetaldehyde
&) ictor 2eyer test d) Beilstein test
1.
5n cold co%ntries glycerol is added to water in car radiators as it helps to #.
Fhenol can &e con
*.
Fhenol on treatment with ecess of &romine water gi > - H tri&romophenol
$he car&on atom of a car&onyl gro%p is a) Sp hy&ridi;ed c) Sp* hy&ridi;ed
a) Bring down the specific heat of water &) 4ower the free;ing point c) 3ed%ce the
a) 0riedel crafts reaction &) :attermann synthesis c) !a%&an8!oesch reaction d) None of the a&o
CHAPTER # 12 Alde/ydes and ketones
&) Sp# hy&ridi;ed d) None of these
Aldehydes can &e oidi;ed &y a) $ollenOs reagent c) Benedict sol%tion
&) 0ehling sol%tion d) All.
$ollenOs reagent is a) Ammonical c%pro%s chloride &) Ammonical c%pro%s oide c) Ammonical sil
.
Sil
-.
&) $hioaleohols d) =thers
Aldehydes are prod%ced in atmosphere &y a) 7idation of secondary alcohols &) 3ed%c%on of al+enes c) 3eaction of oygen atoms with hydrocar&ons d) 3eaction of oygen atoms with o;one
.
At room temperat%re formaldehyde is a) :as c) Solid
6.
0ormalin is sol%tion of !8C8! in !#7 a) 1' c) '
.
&) #' d) '
Which does not react with fehiling sol%tion ? a) Acetaldehyde c) :l%cose
9.
&) 4i,%id d) None
&) Fropanone d) 0ormic acid.
Aldehydes can &e disting%ished from +etones &y %sing 53
a) SchiffOs reagent c) Anhy. Nci# 1'.
&) Conc. !#S7 d) 3esorcinol.
a) $ollenOs reagent &) 0ehling sol%tion c) Acidic dichromate sol%tion d) Benedicts sol%tion
An aidehyde on oidation gi
&) An acid d) An ether
#'.
0ormaldehyde when reacted with methyl magnesi%m &romide gi
11.
Ba+elite is o&tained &y condensation of a) Acetaldehyde and acetone &) 0ormaldehyde and phenol c) Acetaldehyde and phenol d) None of these
1#.
Car&onyl gro%p %ndergoes a) eliminatory reaction &) electrophilic addition c) niteophlic adelretion d) None of them
1*.
1-.
#*.
&) =thanal d) =thylamine
&) =thanenitrile d) 2ethyl iodide.
Which of the following has car&on with lowest
&) Secondary alcohols d) $ertiary alcohols.
1.
Acetone is oidi;ed with
&) Acetaldehyde d) Fropionaldehyde.
Calci%m acetate on dry distillation gi
#6.
&) :rignard reagent d) 0ehling sol%tion
When ammonia reacts with formaldehyde and C!*7! is called a) &) c) d)
#9.
&) Ketones d) =thers
Aldehydes can &e disting%ished from +etones &y the %se of a) Bayers test c) 5odoform test
#.
&) Acetone d) =thanol
A sil
Faraaldehyde is a polymer of a) 0ormaldehyde c) Ben;aldehyde
19.
#.
Which reaction yields Ba+elite? a) Grea with !C!7 &) $etramethyl glycol with !eamethylene diisocyanate c) Fhenol and !C!7 d) =thylene glycol and "imethylterephthalate.
Gn&rea+a&le glass Smo+eless g%n powder Chloroform All of these
a) 0ormaldehyde c) Acetic acid
3ed%ction of aldehydes with !5 and F gi
16.
&) Al+enes d) Al+anes
&) Amine d) =ther
Acetone is %sed in the preparation of a) &) c) d)
#-.
&) C!*C!7 d) C#!-7!
7n oidation> +etones yield a) Alcohol c) Car&oylic acid
#.
&) 2ethanc d) =thyl formate.
Acetone on red%ction gi
a) Car&ides c) Al+ynes 1.
##.
Which of the following compo%nds gi
5f formaldehyde and K7! are heated them we get a) Acctylenc c) 2ethyl alcohol
A n%cleophilic reagent will readily attac+ a) =thylene c) =thanol
1.
#1.
&) C!*C77! d) C!*C!7
Ba+elite Fara 0ormaldehyde 2eta 0ormaldehyde Grotropine
When !eamethylene tetramine (2ethanamine) reacts with f%ming !N7* to yield a powerf%l eplosi
a) Chloropicrin c) Cyclonite *'.
Which one of the following reactions is not gi
*1.
Which tests are %sed for the identification of H C!7 in an aldehyde?
*-.
*6.
*.
*9.
.
-.
.
$he n%cleophilic addition reaction of car&onyl gro%p are catalysed &y
&) C%(7!)# / Na7! d) 37!
Which compo%nd gi
Ketones prod%ced a wine red or orange red color on adding a) &) c) d)
.
&) $ollens reagent d) :rignard reagent
Almost all the aldehydes and small methyl +etones prod%ce a crystalline white precipitate with sat%rated sol%tion of
a) Aromatic aldehyde c) Aromatic +etones 6.
&) Schiffs reagent d) $ollens reagent
Ben;aldehyde reacts with aniline to form
a) 32gV c) Na!S7*
&) Acetaldehyde d) Acetone
&) Acetone d) Chloroform
Aldehydes and +etones &oth easily react with
a) Schiffs &ase c) Borsches &ase
Acetaldehyde reacts with moist chlorine to form a) Acetyl chloride c) Chloral
Aldol condensation Canni;;aro reaction Clemmensens reaction None of these
a) 0ehling sol%tion c) :rignard reagent
&) 0ehling reagent d) All of these
Which one does not pass thro%gh aldol condensation? a) 0ormaldehyde c) Fropanol
*.
&) C!-C!7 d) All of these
3ed%ction of +etone into al+ane in the presence of n H !g is called a) &) c) d)
&) =ster d) Aldehyde
$he reagent which is %sed to disting%ish aldehydes and +etones is a) Schiffs reagent c) $ollens reagent
#.
&) H C!7 and 7! d) None of these
Canni;;aro reaction do not occ%r in a) ! H C!7 c) C!*C!7
&) =thanol d) Acetaldehyde
Sil
*.
&) C!*C7C!* d) C#!-7#C!-
$he compo%nd which gi
1.
&) $ransition element d) All of these
Aldols are those organic compo%nds which contain f%nctional gro%p a) H N!# and C77! c) H C!7 and H C7 H
&) Ficric acid d) None of these
Which of the following %ndergoes halform reaction? a) !C!7 c) C#!-
*.
'.
&) 0ehlings test d) Both & L c
Ben;aldehyde on reaction with al+aline K2n7 yields a) Ben;ophenone c) Ben;oic acid
**.
a) Salt c) Acids or &ases
3ed%ction of 0ehlings sol%tion 3ed%ction of $ollens sol%tion 0ormation of phenol complees 5odoform reaction
a) Bayers test c) $ollens test *#.
&) Ficric acid d) None of these
0ehling sol%tion $ollens sol%tion Al+aline sodi%m nitropr%sside sol%tion All of these
$he 5GFAC name of C!*C! @ C! H C!7 is a) B%t H # H enal c) 2ethacrolein
&) B%t8#8en8*8al d) Fropenaldehyde 55
9.
-'.
$he 5GFAC name of 7!C H C!7 is
C!*C! @ C! C!7
a) :lyoal
&) =thane81> #8dial
c) Both a L &
d) None is correct
a) C!*C! @ C!C! #7! &) C!*C!#C!#C!7 c) C!*C!#C!#C!#7! d) A mit%re of a> & and c.
$he 5GFAC name of 7!C H C!# H C! @C! H C!7 is
LiAlH 4 →
?
a) Fent8#8ene81> -8dial &) Fropene dialdehyde c) Frop818en81> *8dial d) None of the a&o
-1.
$he 5GFAC name of (C!*)#C @ C!C7C! * is a) 8methlypent8*8en8#8one &) #82ethlypent8*8en88one c) Acetyl #82ethyl8&%tene8* d) None of the a&o
-#.
&) 0ormaldehyde d) None of these
When aldehydes are warmed with red precipitates of c%pro%s oide are precipitated.
'.
$he C @ 7 &ond and C @ C &ond are similar in which of the following ways? a) Both are made %p of one sigma &ond and one pi &ond. &) Both are planer in nat%re. c) Both %se sp# hy&rid or&itals of the C atom for their formation. d) All the a&o
1.
$he reaction of acetaldehyde with conc. !#S7 at room temperat%re gi
a) :rignards 3eagent &) 0ehlings sol%tion c) K2n7 d) None of these -.
Acetaldehyde reacts with ammonia to form a) =limination c) Addition prod%ct
--.
&) S%&stit%tion prod%cts d) 3esin li+e prod%ct
Aldol condensation can occ%r &etween a) An aldehyde and +etone &) An aldehyde and ester c) An aldehyde and &en;ene d) None of these
-.
An a,%eo%s sol%tion containing a&o%t ' of formaldehyde and a little alcohol is sold %nder the name of a) 0ormalin c) Fyridine
-6.
a) Faraldehyde c) A mit%re of a L & #.
&) 2etaldehyde d) None
$he following reaction C!*C!7 / !CN M C! *C!(7!)CN is an eample of a) N%cleophilic addition &) =lectrophilic addition c) Gncleophilic s%&stit%tion d) =lectrophilic s%&stit%tion
A n%cleophilic addition of car&onion> generated &y the loss of proton from 8position of an aldehyde or a +etone &y a &ase> to the car&onyl gro%p is called a) Nitration c) =sterification
-.
&) 2alt8s%gar d) Starch
0or a car&onyl compo%nd which of the following statements is correct? a) $he car&onyl car&on> oygen and the other two atoms (attached to car&on) are coplanar. &) $he two gro%ps attached to car&onyl car&on are directed at an angle of 1#'o from each other. c) $he \ electron density aro%nd oygen is more than the car&onyl compo%nd.
"ry distillation of calci%m format yields a) =ther c) Acetic acid
-*.
-9.
&) Aldol Condensation d) None
$he prod%ct o&tained in the following reaction is 56
d) No replacea&le hydrogen )
Which of the following is a mono&asic acid? a) !#S7 c) !*F7
9)
!ydrolysis of esters in al+aline medi%m is called a) Sponification c) =sterification
1')
1)
"il%te acetic acid :lacial (ice li+e) acetic acid 2ethanoic acid None of these
Acetyl chloride is formed &y the reaction of acetic acid with a) $hionyl chloride c) Alcohol
6)
&) C!#ClC77! d) C#!-C77!
Anhydro%s acetic is a crystalline> hygroscopic solid and is also +nown as a) &) c) d)
)
&) Acetic acid d) B%tanoic acid
Which one of the following is the strongest acid? a) C!*C77! c) C!Cl#C77!
-)
&) 3C!7 d) 3C77!
1*)
a) !ighly ioni;ed &) Wea+ly ioni;ed c) 5nsol%&le in water
Between acetic acid and formic acid> the former one is
1)
&) $ollens reagent d) All of these
$he n%m&er of ! H &onds formed per molec%le of car&oylic acid are a) c) #
1)
&) Aspartic acid d) 4actic acid
0ormic acid can red%ce a) 2erc%ric chloride c) K2n7
16)
&) 2ore acidic d) 2ore &asic
Beta hydroyl propionic acid is a) Citric acid c) 7alic acid
&) Ammonia d) Sodi%m hydroide
Acetic acid is a wea+ acid &eca%se in a,%eo%s sol%tion it is
Fowerf%l oidi;ing agent 2ild oidi;ing agent Fowerf%l red%cing agent 2ild red%cing agent
a) 4ess acidic c) Same strength 1-)
&) Acetic acid d) Chloro acetic acid
2ethanoic acid acts as a) &) c) d)
1)
&) =ther d) =ster
Which of them is a strong red%cing agent? a) 0ormic acid c) 7alic acid
$he acid present in &%tter is called a) 0ormic acid c) Fropionic acid
)
1#)
=sters ha
*)
&) H 73 d) H C773
&) =thanoic acid d) Ficric acid
$wo moles of car&oylic acids on heating in the presence of F#7- yields a) Alcohol c) Acetic acid
$he f%nction gro%p in Citric acid is a) H 7! c) H C77!
#)
11)
&) !ydration d) None of these
Which one of the following does not ha
C/a"ter (o+ 13 Car)o6ylic Acids & T/eir 7eri8ati8es
&) !#C7* d) C!*C77!
&) * d) 1
$he attachment of electron withdrawing gro%ps res%lt into the a) 5ncrease of acidity &) "ecrease of acidity c) 5ncrease of strength d) All of these 57
19)
a) Acidic nat%re c) Folymeri;ation #')
#*)
Which of them has two f%nctional gro%ps? a) Amino acid c) Acetone
#)
#)
#)
*1)
*#)
**)
Common name of 1> * Fropanedioic acid is &) 7alic acid d) Fhthalic acid
inegar is a) - sol%tion of acetic acid in !#7 &) -' sol%tion of acetic acid in !#7 c) #- sol%tion of acetic acid in !#7 d) 1' sol%tion of acetic acid in !#7
*)
S%ccinic acid contain total car&on atoms a) c) *
*-)
*)
&) d) #
Car&oylic acid can &e prepared from a) Alcohol c) :rignards reagent
&) =ster d) All
5n ind%strial preparation of Acetic Acid from acetaldehyde mangano%s acetate is %sed as a) Catalyst &) 7idi;ing agent c) $o pre
*6)
A peptide ha
4ong chain mono car&oylic acid are called
a) S%ccinic acid c) 2elonic acid
&) Acidic salt d) 5nter
&) 0ehling test d) Ninhydrin test
A car&oylic acid contains
a) Aliphatic acid &) Aromatic acid c) Cyclo car&oylic acid d) None of these
$he test %sed to identify amino acid is a) $ollens test c) 2eyers test
&) Acetamide d) Amino acid
a) !ydroyl gro%p &) Car&oyl gro%p c) A hydroyl gro%p and car&oyl gro%p d) A car&oyl gro%p and aldehydic gro%p
&) Aldehydes d) Amino acid
$he dipolar str%ct%re of an amino acid is also called a) Basic salt c) Ne%tral salt
#6)
&) Ne%tral in nat%re d) Basic in nat%re
$he compo%nd which occ%r as ;witter ion or dipolar are a) Ketones c) Alcohol
*')
&) Salicylic acid d) Both a L &
Amino acids ha
#-)
&) 2ethyl chloride d) Chloro acetic acid
7n heating ammoni%m acetate yields a) Acetic acid c) =ther
&) 2ethanoic acid d) All of these
Acetic acid when reacts with chlorine in the presence of red phosphor%s> the prod%ct formed is a) Acetyl chloride c) 2ethyl ester
#9)
&) H C!7 d) H C77!
$he car&oylic acid which is %sed for coag%lating r%&&er late is a) =thanoic acid c) Fropanoic acid
##)
&) ! H &onding d) 3ed%ction
Sodi%m &i car&onate when reacts with a compo%nd DVE as res%lt C7# li&erates with effer
#1)
&) =ssential amino acids c) Non essential amino acids d) Acidic amino acid
$he firs fo%r mem&ers of car&oylic acid are completely sol%&le in water. $his is d%e to
Which one is not the deri
*)
&) Amino acid d) Acid amide
5n car&oylic acid car&onyl car&on is 58
hydridi;ed *
a) SF c) SF *9)
')
&) N7# d) Both & L c
Which one is less acidic?
)
-)
&) C!*8C!#8C!#87! d) Both a L c
&) # d)
)
$he greater acidity of car&oylic acid as compared to alcohol is a) =lectron donating effect of H 7! gro%p &) =lectron with drawing effect of C77! gp c) 3esonance sta&ility of car&oylic ion d) All
6)
Which of the following compo%nds on reaction with Na!C7* li&erates C7#?
&) An ester d) Acid anhydride
$he sol%tion of which acid is %sed for seasoning of food? &) Ben;oic acid d) B%tanoic acid
Acetamide is prepared &y a) !eating of ammoni%m acetate &) !eating of =thyl acetate c) Amoni%m propionate d) None
-*)
!igher B.F of car&oylic acid as compared to alcohol of the same m.wt is d%e to a) Strong dispersion ferces &) Strong dipole dipole interaction c) $wo ! H &onding per molec%le d) All of these
&) B%tanoic acid d) Acetaldehyde
A compo%nd %ndergo red%ction with (4iAl!) it also dissol
a) 0ormic acid c) Acetic acid -#)
Car&oylic ion is represented &y how many resonating str%ct%re? a) * c) 1
-1)
&) C!*C77! d) C#!6 H C77!
Which ha
a) 2ethyl acetate c) Acetic anhydride
-')
&) =thanal d) =thyone
Acetic acid %ndergo dehydration reaction with F#7- and forms.
a) Car&oylic acid c) An alcohol
Which one is more acidic? a) !C77! c) C#! H C77!
*)
9)
&) C!* H 7 H C! * d) C!*C7N!#
Acetic acid on red%ction with 4iAl! gi
&) N!# d) All
a) C!# H C77! ] Cl &) Cl# H C! H C77! c) C!* H C77! d) Cl*.C.C77! #)
)
Which one will decrease the acidity of car&oylic acid? a) 7! c) Al+yl gro%p
1)
&) SF d) None
Which one of the following will increase the acidity of car&oylic acid? a) 7! c) H CN
a) C#!- H 7! c) C!*C77!
#
3 H C! H C778 is called ] N!* a) witter ion c) 5nternal salt
-)
Amino acids are the &%ilding %nit of protein the lin+age &Jw Amino acid molec%les is called a) :lycosidic lin+age c) =ther lin+age
--)
&) Feptide lin+age d) All a&o
Which of the following is not a fatty acid? a) Acetic acid c) Fhthalic acid
-)
&) "ipolar ionic form d) All
&) Fropionic acid d) B%tanoic acid
$otal n%m&er of amino acids are a) 1' c) *'
&) #' d) ' 59
-6)
a) 1' c) H *' -)
1)
#)
*)
a) C!0# H C!# H C!# H C77! &) C!*C!#C0#C77! c) C!#0 H C!0 H C!# H C77! d) C!*C!#C!#C77! )
6')
Which of the following will ser
&) ClC!#C77! d) Cl*CC77!
Which of the following is not a primary amine? &) * H heylamine d) "iethylamine
Which statement a&o%t the reaction of 1 H &romo&%tane and N!* is incorrect? a) $he reaction specifically gi
61)
# H Bromopentanoic acid can &e o&tained &y a) Fentanoic acid / Br # Light → &) Fentanoic acid / Br # → c) Fentanoic acid / !Br → d) Fentanoic acid / !Br → P
Peroxides
6#)
$he prod%ct o&tained in the following reaction P is C!*C!#C77! Br → ? 2
a) C!*C!BrC77! &) BrC!#C!#C77! c) BrC!#C!BrC77! d) A mit%re of all the a&o
&) 0ormalin d) Alcohol
Which of the following car&oylic acid is the strongest?
Which of the following car&oylic acids has the largest acidity constant> Ka?
a) Cycloheylamine c) 1 H B%tylamine
&) Aniline d) Aspartic acid
=thyl acetate can &e prepared &y the action of on car&oylic acid> in the presence of acidic media. a) Fhenols c) Fyradine
-)
9)
&) =ster d) Ketones
&) :lycine d) Froline
$he 5GFAC nomenclat%re of C!-C! @ C!C77! is
a) C!*C77! c) Cl#C!C77!
Which of the following is not an Amino acid? a) Alanine c) :lyine
)
)
C!* H C! H C778 is called ] N!# a) aline c) Alanine
&) Conc. !N7* d) Na!C7* ]!#7
a) * H Fhenyl prop H # H enoic acid &) Cinnamic acid c) Fhenyl acrylic acid d) 1 H Fhynyl H # H ethylene car&oylic acid
&) "ehydration d) 7idation
Which class of compo%nd is commonly %sed for the artificial fla
6)
&) 0ormic acid d) 7alic acid
$he con
a) Conc. !#S7 c) Cr7* ]!#S7
&) b amino acid d) None
$he acid prod%ced in the sting of &ees and ants is a) Acetic acid c) Car&onic acid
')
&) #' d) H '
N!# ] 3 H C! H C778 is called a) Amino acid c) amino acid
-9)
C!*C!#C77! and C! *C77!C!*?
$otal n%m&er of essential amino acids
6*)
Acetamide can &e prepared &y the reaction of ammonia on a) =thyl acetate c) Acetic anhydride
6)
&) Acetyl chloride d) All the a&o
$he prod%cts o&tained in the following reaction are C!*C77C!* / C!*C!#7! → +
H
60
a) C!*C77C#!- / C!*7! &) C!*C!#C77C!* / C!*7! c) A mit%re of &oth the a&o
Which of the following reaction will gi
+
∆
OH
−
∆
NaOC 2 H 5
61
C/a"ter # 1% 9acromolec!les
1. Which of the following is polymeri;ation process? a. &. c. d.
$he crac+ing of petroel%m 0ractional disstillation of cr%de oil 0ormation of polyethen !ydrolysis of protiens
#. Which one is addition polymer? a. Nylon8 c. $erylene
&. Folystyrene d. =poy resin
*. Which is synthetically prepared polymer? a. Animal fat c. Cell%lose
&. Starch d. FC
. egeta&le oils are a. &. c. d.
Gnsat%rated fatty acids :lycerides of %nsa%rtated faty acids :lycerides of stt%rated fatty acids =ssential oils o&rained from plants
-. $he water sol%&le
&. " d. C
. Which of the following element is not present in all proteins a. Car&on c. Nitrogen
&. !ydrogen d. S%lph%r
6. !ydrolysis of fats is catalysed &y a. Grease c. ymase
&. 2altase d. 4ipases
. Which of the follwing statement is incorrect for gl%cose and s%crose? a. &. c. d.
Bothe are sol%&le in waater Both are nat%rllay occ%ring Both are car&ohydrates Both are disaccharides
9. 2acromolec%les may &e of a. &. c. d.
5norganic and organic nat%re 5norganic nat%re 7rganic nat%re None of the a&o
1'. Str%ct%re wise the polymers are of a. 4inear shaped &. Branched linear shaped c. Cross in+ed linear shaped d. All of the a&o
11. 2aIor type of polymers are a. !omopolymer c. $eropolymer
&. Copolymer d. All of the a&o
1#. $he epoy resin are f%ndamentally a. Folyethers c. Folyesters
&. Foly
1*. Starch is a polymer of a. Beta8" gl%cose &. Alpha8" gl%cose c. :amma8" gl%cose d. Alpha8&eta8" gl%cose 1. the most a&%ndant protiens that are present in the connecti
&. Collagen d. None of the a&o
1-. Based %pon physicochemical proteins may &e classified into a. $wo types c. $hree types
properties
&. 0o%r types d. 0i
1. $he primary &%ilding &loc+s of lipids are a. &. c. d.
0atty acids and gycerols :lycerols and sterols 0atty acids > :lycerols and sterols None of the a&o
16. Animal and egeta&le fats and oils ga
&. 4asparaginase d. None of the a&o
19. "ifferent &ases fo%nd in "NA are a. &. c. d.
Cytosine and thiamine Adenine and g%anine All of the a&o
#'. Folyethylene is prepared from a. =thene c. =thyne
&. =thylene d. Both a and &
62
#1.
$he gro%p of chemical reagents that ta+e part in life s%staining process is called a. Wa c. 0ood
##.
#*.
&. Water d. All of these
&. C7# / !#7 d. None of these
&. :lycogen d. Starch
*.
*6.
0at meta&olism Car&ohydrates meta&olism Frotein meta&olism None of these
:l%cose / 2annose :l%cose / 0r%ctose 0r%ctose / 2annose 2annose / :alactose
:l%cose is also called
&. itamins d. Car&ohydrates
$he n%trients of food which are in ner meta&olic reg%lation> catalysis and oygen transport are called a. Froteins c. 4ipids
1.
&. "etrose d. 2annose
$he heterogeneo%s gro%p of organic compo%nds which pro
'.
&. 0r%ctose d. :lycogen
S%crose on hydrolysis yields
a. Starch c. S%crose *9.
&. 7ligosaccharides d. None of these
Which of the car&ohydrates is tasteless?
a) &) c) d) *.
&. !#7 d. Acetone
Car&ohydrates which contain # H 1' car&on atoms and not are hydrolysa&le are called
a. :l%cose c. S%crose
$he ecess of amino acids are not stored in the &ody &%t dominated to form intermediates of a) &) c) d)
2onosaccharide and "iaccharides are solid> sweet in taste and sol%&le in
a. 2onosaccharides c. Folysaccharides
&. Water d. Both a L &
:l%cose is stored in the li
*1.
&. itamins d. All of these
$he oidation of protein prod%ces %rea in addition to a. C7# c. Nitrogen
*'.
&. 0ats d. All of these
$he oidation of fats prod%ces a. C7# c. C7# / !#7 / =
#9.
*-.
$he prod%ct of oidation of gl%cose is a. C7# c. =nergy
#.
&. "in%trient d. None of these
Folyhydroy alcohols Folyhydroy ethers Folyhydroy ester Folyhydroy aldehydes or +etones
a. C! c. C!Cl*
Which n%trients reg%late the &ody processes? a. 2inerals c. Water
#6.
*.
&. C#n(!#7)n d. None of these
Car&ohydrates are a) &) c) d)
Which of these are the so%rces of energy as well as so%rce for &%ilding of tiss%es? a. Froteins c. Car&ohydrates
#.
**.
2il+ is a food containing a. Single n%trient c. 2%ltin%trient
#-.
&. Boney d. :l%cose
$he general form%la of car&ohydrates is a. Cn(!#7)n c. Cn(!#7)#n
&. 0o%r n%trients d. $hree n%trients
Which one of the following is a single n%trient food? a. Starch c. 2il+
#.
&. 3efinery gas d. None of these
A &alanced diet m%st contain at least a. $wo n%trients c. Si n%trients
*#.
&. itamins d. Car&ohydrates
Steroids &elong to the family of lipids which are a. $ricyclic c. Fentacyclic
&. $etracyclic d. 2onocyclic 63
#.
Cholesterol is a steroid which is the important prec%rsor of a. Se hormones c. itamin "
*.
.
a. Acti
-'.
a. Nylon > c. Acrylic fi&er -1.
&. $erylene fi&er d. Saran fi&er
$he plastics which are formed &y plain polymeri;ation are +nown as a) &) c) d)
-.
-6.
$hermoplastics $hermosetting plastics Both None of these
A single type of monomer $wo types of monomers $hree types of monomers All of these
A polymer is formed &y polymeri;ation of three different types of monomers is &. !omopolymer d. All of these
Qeast is a a) Bacteria c) ir%s
1.
&. Nylon > d. Folyester
A copolymer is formed &y polymeri;ation of
a. Copolymer c. 2onomer '.
&. C!# @ C!Cl d. None of these
0l%orine is present in
a) &) c) d) -9.
&. Folyamide d. All of these
F$=0 is formed &y the polymeri;ation of
a. Folythene c. $eflon -.
&. Folystyrene d. All of these
$he condensation polymers among the following
a. C!# @ C!# c. C0# @ C0#
&. Acrylic fi&er d. Saran fi&er
"acron is the trade name of
Which one of the following is addition polymer?
a. Folyester c. =posy resin
&. 5nhi&itors d. None of these
$he synthetic fi&er composed of an ester of a dihydric alcohol and terphthalic acid is called a. 3ayon fi&er c. Folyester
--.
&. 'oC d. -'oC
5norganic s%&stances which increase the acti
(CCl# H CCl#)n (8 C0# H C0# 8)n (8 CBr# H CBr # 8)n (8 Cl# H Cl# 8 )n
a. FC c. Folythene
&. $%rn o
=n;ymes are most acti
.
&. Salt of fatty acids d. Both a L &
$he n%m&er of moles of s%&strate transformed per mole of en;yme per min%te at a definite temperat%re is called a. Fotency c. 3ancidity
6.
&. 5norganic salts d. 0ats
&. $eflon d. Nylon
$he form%la of $eflon is a) &) c) d)
-.
Frod%ct of sponification is a. :lycerol c. N%cleic acid
.
-*.
=n;yme acti
$he trade name of polytetrafl%oroethylene (F$0=) plastic is a. "acron c. Saran
0ree cholesterol Com&ine cholesterol Starch 2annose
a. 7rganic salt c. Froteins -.
&. Adrenal hormones d. All of these
:allstones contain a) &) c) d)
-#.
&) Anti&iotic d) 0%ngi
Folyester resins are the prod%ct of the reaction of a) Alcohol and aromatic acids &) Folyamines with aliphatic dicar&oylic acids c) Styrene in the presence of catalyst d) =pichlorohydrin with diphenylol propane
64
#.
=n;yme tripsin con
*.
$he digestion of fat in intestine is aided &y a) "iff%sion c) =m%lsification
.
-.
&) 0ats d) None
Saponification of cocon%t oil yields glycerol and a) Falmitic acid c) 7leic acid
&) Sodi%m palmitate d) Satiric acid
&) 3ed d) :reen
&) 2altose d) 0r%ctose
Amino acids are least sol%&le in water a) At p! @ 6 c) At p! 6
6'.
Which of the following are re,%ired &y the &ody in small amo%nt only? a) Froteins c) itamin
6.
&) 5ns%lin d) 7ytocin
$he sweetest of all s%gars is a) :l%cose c) S%crose
9.
&) 0r%ctose d) 2altose
Which hormone controls the meta&olism of car&ohydrates? a) Adrenaline c) $hyroine
6-.
&) Al&%mine d) None of the a&o
7n heationg gl%cose with 0ehlings sol%tion we get a precipitate of color a) Qellow c) Blac+
.
&) 0%nctional isomers d) Fosition isomers
Starch is a polymer of a) :l%cose c) 4actose
6.
6.
:l%cose and fr%ctose are a) 7ptical isomers c) Chain isomers
.
&) 3etinol d) Nicotinamide
$he protein responsi&le for the clotting of &lood is a) 0i&rinogin c) :lo&%lins
&) Feptisation d) Ne%trali;ation
Chemical name of itamin A is a) $hiamine c) Ascor&ic acid
6*.
&) At p! 6 d) At isoelectric point
Which of the following is the richest so%rce of energy? a) Adenosine troposphere (A$F) &) Adenosine diphophate (A"F) c) Adenosine monophosphate (A2F) d) All are e,%ally rich so%rce of energy
61.
"igestion of car&ohydrates ta+es place in a) 2o%th c) 5ntestine
6#.
&) Stomach d) Both a L c
Brown s%gar can &e decolo%rised &y a) Bleaching powder c) !ypo
&) Soap sol%tion d) Animal Charcoal 65
C/a"ter 1 C/emical nd!stries in Pakistan
1. Which processJ reaction gi
&) "ehrdration d) None of the a&o
#. Grea as a fertili;er contain a) -6 N c) N
&) 6* N d) -* N
*. Ammoni%m nitrate is a %sef%l fertili;er ecept for a) Wheat c) Barley
&) S%gar cane d) Faddy rice
. $he phosphoric acid which is %sed for the preparation of di ammoni%m phosphate fertili;er is ha
&) F! -. to Z d) F! to 6.-
-. Which three elements are needed for the healthy growth of plants a) N.S.F c) N.F.K
&) N.Ca.F d) N.K.C
. $he nitrogen present in some fertili;er help plants a. &. c. d.
$o fight against diseases $o prod%ce fat $o %ndergo photosynthesis $o prod%ce proteins
6. phosphor%s help in the growth of a) 3oot c) Stem
&) 4ea
. $he wood paper is deri
&) S%nflower d) Water hyacinth
9. Which is not a calcaro%s material? a) 4ime c) 2ar&le
&) Clay d) 2arine shell
1'. Ammoni%m nitrate fertili;er is not %sed for which crop a) Cotton c) S%gar cane
&) Wheat d) Faddy rice
11. Cement is
&) 1# d) 19#'
1#. Faper cons%mption per person in Fa+istan is a) -+g c) +g
&) +g d) +g
1*. $he sl%rry which contains in the ma+ing of cement of water a) *- to c) - to -'
&) ' to d) None of the gi
1. $he dried paper is wo%nd in the form of a reel ha
&) to d) - to
1-. N!#8C78N!# is the chemical form%la of a) Ammonia c) Grea
&) "iamino +eton d) Both of & and c
1. $he fertility of the soil is impro
3otation of the crops Adding lime to the acid salts Adding man%re and growing leg%mes All
16. Which of the following is incorrect statement a&o%t nitrogen importance? a. 5t enhances plant growth &. 5t is in which pro are called fertili;er a) Straight c) Both a and &
&) Compo%nd d) None of the a&o
19. Which of the following in macron%trient? a) C% c) !#
&) Cl# d) n
#'. Addition of %rea of the soil is reaction a) =ndothermic &) =othermic c) Both a and & d) No heat energy is in
#1. Which of the following is the most s%ita&le catalyst for ammonia synthesis? a) Ft c) 0e#7* / 27#7*
*1. $he n%trients which are re,%ired in
&) n7 / Cr#7 * d) All of the a&o
a. &. c. d.
##. $he cooling of molten %rea &y air in the tower is called a) Frilling c) Condensation
*#. Which one of the following set of raw material is most s%ita&le for man%fact%re of %rea?
&) =
a) C!> N# and C7# c) !#> C7# and !#7
#*. Which of the following fertili;ers is more %sef%l for paddy rice?
a. &. c. d.
#. "AF ("iammoni%m hydrogen phosphate) contains F4AN$ n%trients. &) - d) 6-
a) * c) -
&) KN7* d) K2n7
a) Clay c) Slated
a) 2an%re c) Ammoni%m nitrate
&) 2ar&le d) All of the a&o
#6. Argillaceo%s material incl%de
does
not
&) 2arine shells d) Blast f%rnace slag
#. Which of the following processes is %sed for the synthesis of cement? a) "ry process c) Both
&) Wet process d) None
#9. Fhosphor%s helps in the growth of a) 3oot c) Stem
&) 4ea
*'. !ow many ;ones thro%gh which the charge passes in a rotary +iln? a) c) #
&) * d) -
&) d)
*-. Which one of the following is an inorganic fertili;er?
#. Calcario%s material incl%des a) 4ime stone c) Chal+
5t is a synthetic fertili;er 5t is a nat%ral fertili;er 5t pro
*. Which on the following is an inorganic fertili;er?
#-. Which of the following potassi%m fertili;ers are more %sef%l for hortic%lt%ral crops> to&acco L potatoes? a) KCl c) K#S7
&) !#> N# and C7 d) !#7> N# and !#
**. Which one of the following statement is correct for %rea?
a) Grea &) "AF c) Ammoni%m s%lphate d) Ammoni%m nitrate
a) ' c) 6'
Nitrogeno%s fertili;ers 2icron%trients Fhosphor%s fertili;er S%rfactant
*.
$here is only one nitrogen fertili;er which is %sed as li,%id is a) N!N7* a) N!*
*6.
&) KN7* d) N!*
N!N7* is %sed as fertili;er for most crops ecept a) Fotato c) Faddy rice
'.
&) Basic d) None of these
Which fertili;er contain # nitrogen? a) N!N7* c) N!Cl
*9.
&) N!Cl d) (N!)#!F7
=cept Ca(N7*)#> NaN7* and KN7*> all nitrogen fertili;ers ma+e the soil a) Acidic c) Ne%tral
*.
&) Grea d) All
&) S%garcane d) $o&acco
$he percentage of nitrogen in %rea is a) ' c)
&) d) -' 67
1.
Fotassi%m fertili;ers are %sed for a) 0r%its c) $o&acco
#.
N!N7* is %sed as a fertili;er for many crops ecept paddy rice &eca%se a) &) c) d)
-.
5ts gran%les are solid 5t is poisono%s 5t is ne%tral $he micro&ial &acteria in flooded field decompose N!N7* into N# gas
2an%fact%ring of s%per phosphate fertili;er in
.
-'.
-#.
-*.
Nat%ral fertili;ers are materials deri
-6.
C7#JN!*
-.
&) -- d) -
a) &) c) d)
'.
4ime 2g7 $ricalci%m silicate (*Ca7.Si7#) All of these
Clin+er is prod%ced &y &) "ry method d) Both a L &
&) 2icron%trients d) None of these
A nat%ral fertili;er pro
-9.
&) Compo%nd d) None
$he s%&stances added to the soil in
of
&) Animals d) All of these
$he fertili;ers> which pro are called fertili;ers. a) Straight c) Both a L &
$he chief strength prod%cing constit%ents of cement is
a) Wet method c) Bayers method
Acylation of phosphate roc+ Al+ylation of phosphate roc+ Acid%lation of phosphate roc+ Aromati;ation of phosphate roc+
a) Flants c) Algae -.
&) C*S d) C AF
S%per phosphate fertili;er is formed &y the a) &) c) d)
--.
&) F%lp d) 5somer
$he ind%strial a&&re
-.
&) F%lp d) Folymer
$he separation of cell%lose fi&ers &y mechanical method or &y
&) #- d) #
$he Stoichiometric ration con
9.
&) H d) '
$he percentage of nitrogen in ammoni%m s%lphate is a) #1 c)
.
&) 0i
$he percentage of F#7- in triple s%per phosphate fertili;er is a) - H c) ** H *-
6.
&) ** H **.- d)
$he final prod%ct which is o&tained from the rotary +iln (cement prod%ction) is called a) Clin+er c) 0i&er
&) egeta&le d) All of these
$he percentage of nitrogen in ammonia nitrate is a) c) #
.
&) egeta&le d) All of these
0rom which of the following nat%ral fi&er is o&tained? a) Animal c) 2ineral
*.
-1.
&) *.# d) 1.-
A nat%ral fertili;er pro
&) *.# d) 1.-
$he percentage of nitrogen in ammoni%m s%lphate is a) *# H **.c) ' H #
&) -' H -d) #' H #-
68
1.
$he percentage of s%lph%r in ammoni%m s%lphate is . a) #c) #*
#.
Ammoni%m nitrate is sold as a mit%re with a) Soda Ash c) inc
*.
9.
&) 2ar&le d) All of the a&o
Cement is a mit%re of so many compo%nds roasted in rotary +iln. Which s%&stances has greater percentage? a) 4ime (Ca7) c) Al%mina (Al#7*)
.
&) (Si7*)n d) None of these
Calcario%s material incl%des a) 4ime stone c) Chal+
6.
&) 37Na d) 37S7*Na
$he principle former of almost all glasses is a) (Si7#)n c) (Si7#)V
.
&) "etergent d) None of these
Commercial detergents contain mainly a) 3C77N c) 3SNa
-.
&) 4imestone d) None of these
Any material> which changes the cleaning effect of water is called a) 0ertili;ers c) Acid
.
&) #1 d) 19
&) Silica (Si7#) d) 2agnesia (2g7)
C/a"ter # 1* En8ironmental c/emistry
1. Feeling of o;one %m&rella is d%e to a) C0Cs c) C7#
&) FAN d) Coal &%rning
#. ""$ is a) Biodegrada&le pol%l%tant &) Nondegrada&le poll%tant c) Not a poll%tant d) An anti&iotic *. 5ncreasing s+in cancer and high m%tation rates are a) Acid rain c) C7 poll%tion
&) 7;one depletion d) C7# poll%tion
. Sewage water is p%rified &y a) 2icroorganisms c) 0ishes
&) 4ight d) A,%atic plants
-. G radiations &ring a&o%t a) S+in cancer c) 4%ng cancer
&) 2o%th cancer d) 4i
. Which one is more toic? a) Car&on c) C7
&) C7# d) S7#
6. Soil salinity can &e meas%red &y
$he important f%nction of &%rning ;one in the rotary +iln is
a) Cond%cti
a) $o dry the moist%re of sl%rry &) $o decompose lime stone to %nsla+ed lime c) Com&ination of different oides li+e Ca7#> Si7#> 0e#7* and Al#7*. d) $o red%ce the imp%rities
. Biodegrada&le poll%tant is
As&estos is a a) 2ineral fi&er c) egeta&le fi&er
&) Animal fi&er d) None of these
a) Flastic c) Sewage
&) Fhotometer d) Fotometer
&) As&estos d) 2erc%ry
9. 4ead is a) Air poll%tant &) Soil poll%tant c) 3adioacti
69
a) 7;one and d%st &) S7* and C7
11. C7 is harmf%l for h%mans as it a) 5s carcinogenic &) 5s antogonistic to C7# c) !as high affinity for heamoglo&in than oygen d) 5s destr%cti
&) C7 d) C!
16. G radiation from the s%n ca%ses a reaction that prod%ces a) 0lo%rides c) S7#
&) C7 d) 7*
1. $he half of the atmosphere is concentrated in the lower +m a) *.- +m c) -. +m
&) .- +m d) 1' +m
19. Acid rain is d%e to increase ion atmospheric concentration of
&) C7# and C7 d) S7# and N7#
#'. "etergents are sodi%m salts of a) Calci%m s%phonates &) Bari%m s%lphonates c) Sodi%m car&onates d) Ben;ene s%lphonates #1. B7" is the amo%nt of a) Car&on disso
&) "ichromate ion d) Bidentate ion
#*. !er&icides are %sed for remo
&) !er&icides d) Fastecide
#-. 2ost ha;ardo%s metal poll%tant of a%tomo&iles eha%st is a) 2erc%ry c) 4ead
&) Cadmi%m d) Copper
#. Fhotochemical smog is related to poll%tion of a) Air c) Soil
&) Water d) Nostic
#6. =n
d) 5ncrease concentration of o;one
c) *.
d) -
$he main poll%tant of leather tanneries in the waste water is a) Chromi%m 555 c) Sodi%m
#9. =%trophication ca%ses red%ction in
&) Chromi%m 55 d) Copper
a) "issol
&) Nitrogen dioide d) None
*1. Which one of the following ma+es the &%l+ of hydrospheres content? a) 7ceans &) :laciers L ice c) 0resh water la+es and ponds d) All ha
&) Al%ms d) All
Which of the following factors help to meas%re ,%ality of water? a) "7 c) C7"
*.
#.
a) #
&) *
$he en
.
&) Bio sphere d) 4ithosphere
7;one is located in a) $roposphere c) 2esosphere
&) Stratosphere d) $hermosphere
Which f%el on com&%stion prod%ces f%migati
-.
$he solid or li,%id particles with diameter ranges from '.'1 or less %p to a&o%t 1'' are a) Aerosols c) Smo+e
.
&) Nic+el s%lphate d) Bari%m s%lphate
Newspaper can &e recycled again and again how many times?
Soil 2ineral of earth cr%st 7rganic matter of earth cr%st All of these
a) Atmosphere c) !ydrosphere *.
&) !ydrosphere d) Atmosphere
$he components of lithosphere are a) &) c) d)
&) B7" d) All of the a&o
5n the p%rification of porta&le water> the coag%lant %sed is a) Al%m c) Copper s%lphate
*6.
1.
&) C7 d) N#7
$he o%ter part of the earth is present in a) 4ithosphere c) Biosphere
Which statement is wrong? a) $he amo%nt of o;one layer is greater in the region close to the e,%ator. &) 7;one acts as filter for G radiations c) 5n the polar region> it acts as poll%tant d) C0Cs play effecti
*-.
'.
Which s%&stance can &e %sed for disinfection water? a) K2n7 c) 7;one
*.
&) "issol
Which of the following air poll%tants is ,%iet +iller? a) C7# c) N7#
Chlorination of water may &e harmf%l if the water contains a) Ammonia c) Car&on dioide
**.
*9.
$he poll%tants responsi&le for eye> nose> throat> &ronchial tract and respiratory tract irritation are a) !#S c) N!*
6.
&) "%st d) All of these
&) C7# d) Both a L c
$he air poll%tant which is responsi&le for corrosion and erosion is 71
a) S7# c) Smo+e
.
9.
Car&on and soot accelerate the corrosion and erosion d%e to a) Acidic nat%re &) Basic nat%re c) A&sorption or adsorption of the gaseo%s poll%tant %pon these partic%lars mater d) All of these $he poll%tant which adhere to stones &ric+s and s%rface and ca%se fo%ling are a) &) c) d)
-'.
Clean rain is
$he poll%tant which play an important role in smog formation a) C7 c) !#S
-*.
1.
&) N!* d) 0reon
$he photochemical smog is also called oidi;ing smog which has high content of oidant li+e a) 7* c) N!*
&) S7# d) All of these
$he concentration of dissol
#.
&) 7;one d) All of these
Fathogens present in poll%ted water can +illed &y chlorination &%t cannot remo
.
&) "%st d) =ffl%ent
$he techni,%es %sed to +ill pathogens present in drin+ing water are a) Chlorination c) G irradiation
-.
&) Chloride ions d) None of these
Water ha
.
&) ppm d) ppm
$he C7" (Chemical 7ygen "emand) of water can &e determined directly &y treating with a) "ichromate ions c) 7ide ions
*.
&) * to ppm d) to 1'ppm
$he content of "7 in poll%ted water is a) 4ess than ppm c) ppm
$he poll%tant which res%lts into o;one depletion is a) C7 c) !#S
-.
&) 0og d) Smo+e L fog
"rin+ing water sho%ld ha
a) # to ppm c) to ppm
&) N!* d) All of these
&) 3ed%cing smog d) Smo+e
7ccl%ded L dissol
a) $%r&idity less than 1'ppm &) p! &etween 6 to .c) sho%ld &e free from diseases ca%sing &acteria d) all of these
3ed%cing smog is formed &y the com&ination of a) Smo+e c) "%st
--.
-9.
&) Ner
5nd%strial waste water contains a) &) c) d)
Fhotochemical smog is a) 7idi;ing smog c) Ne%tral smog
-.
-.
&) Slightly &asic d) All of these
&) . d) #.
Fresence of hea
'.
$he F! of ne%tral rain water is a) -. c) *.
-#.
-6.
Smo+e and d%st Smo+e and aerosols Aerosols and d%st None of these
a) Basic c) Slightly acidic -1.
&) Car&on d) Aerosol
&) $aste d) All of these
$he process in solid waste is &%rnt at high temperat%re ranging from 9'' to 1'''oC a) Chlorination
&) 7;onation 72
