QC 1 | FINALS Q2 SPECIAL METHODS 1. Calculate the water content content o Stre!to"#c$n Stre!to"#c$n !ow%er u&$n' (' &a"!le. The water e)u$*alent actor actor o the +arl F$&cher ,ea'ent wa& -. an% the *olu"e con&u"e% wa& /.2"l. The %water content wa&0 content wa&0 2. hat $& the acid value o value o a att# ac$% &a"!le we$'h$n' -.(' wh$ch re)u$re 2"l o 3.13/3N NaOH to 4r$n' a4out the en%!o$nt. -. I a &a"!le &a"!le o wh$te wa5 wa5 $& oun% to to ha*e an ac$% *alue *alue o -.1 -.1 an% a &a!on$$cat &a!on$$cat$on $on *alue *alue o 62.-7 what what $& the ester value o value o the &a"!le8 . Deter"$ne th the iodine value o value o an un9nown &a"!le o o$l we$'h$n' 3.2' $ --"l an% 1.6"l o 3.3/::N o &o%$u" th$o&ulate are re)u$re% or the 4lan9 an% re&$%ual t$trat$on7 re&!ect$*el#. I%ent$# the &a"!le '$*en the ;SP re)u$re"ent o0
(. In phenol content %eter"$nat$on content %eter"$nat$on o a *olat$le o$l7 the la#er $n the 'ra%uate% nec9 o the ca&&$a la&9 rea% 2.-"l o4ta$ne% ro" a &a"!le o 13"l o the o$l ater treat"ent w$th +OH &olut$on. The ?!henol $&0 . A cru%e cru%e %ru' we$'h$n we$'h$n' ' 13.3(2(' 13.3(2(' wa& %r$e% %r$e% $n an o*en or &e*era &e*erall hour& #$el%$n' #$el%$n' a re&$%ue re&$%ue e)u$*alent e)u$*alent to to -.(62'. -.(62'. Calculate Calculate the the weight loss on drying. drying. 6. A &a"!le o corn corn o$l we$'h$n' 1.' &a!on$$e% &a!on$$e% w$th 2("l 2("l o 3.N +OH re)u$re% /"l o 3.(N 3.(N HCl to to t$trate the the e5ce&& +OH. In the 4lan9 %eter"$nat$on 23"l o 3.(N HCl wa& re)u$re% to t$trate the al9al$. Calculate the saponifiation value o value o the &a"!le :. hat $& the percent phenolic content phenolic content o the clo*e o$l $ 13"l wa& u&e% a& &a"!le an% ater treat"ent w$th +OH TS7 the non=!henol$c la#er at the nec9 o the ca&&$a la&9 "ea&ure% 1.("l8 /. I a 2' &a"!le &a"!le o co%=l$*er co%=l$*er o$l re)u$re% re)u$re% .("l .("l o 3.32N 3.32N NaOH $n the the t$trat$on t$trat$on o the ree ree att# ac$%&7 ac$%&7 what what woul% woul% 4e the acid number o o the o$l8 13. I a &a"!le o o 4ee&wa5 ha& an ac$% *alue o 1:.( 1:.( an% the e&ter e&ter *alue o :/.:7 :/.:7 what $& the saponification number o o the &a"!le8 11. I a &a"!le o o wh$te 4ee&wa5 ha& an ac$% *alue o 1:.( an% a &a!on$$cat$on *alue o 67 what $& the ester *alue *alue o the &a"!le8 12. 12. F$n% F$n% the acid number o o a ro&$n &a"!le we$'h$n' 1.1333 'ra"& wh$ch re)u$re% 2: "L o 3.1133N 3.1133N &o%$u" h#%ro5$%e to 4r$n' a4out the en% !o$nt 1-. 1-. F$n% F$n% the saponification *alue saponification *alue o cotton&ee% o$l $ a 1.(-23 'ra"& 'ra"& &a"!le re)u$re% 1(.6 1(.6 "L o 3.(133N h#%rochlor$c ac$%. ac$%. A 4lan9 4lan9 wa& run u&$n' 2 "L o 3.(133N h#%rochlor$c ac$%. 1. 1. Dete Deter" r"$n $ne e the the iodine *alue iodine *alue o o$l we$'h$n' 3.2133'7 $ 2.( "L an% 12.3 "L o 3.1133N 3.1133N &o%$u" th$o&ulate &olut$on are re)u$re% or the 4lan9 an% re&$%ual t$trat$on&7 re&!ect$*el#. re&!ect$*el#. 1(. I a &a"!le &a"!le o 4ee&wa5 4ee&wa5 $& oun% oun% to ha*e ha*e an ac$% *alue o 23. 23. an% a &a!on$$cat$on &a!on$$cat$on *alue o :/.:7 what $& the ester nu"4er nu"4er o the &a"!le8
QC 1 | FINALS Q2 SPECIAL METHODS 1. Calculate the water content content o Stre!to"#c$n Stre!to"#c$n !ow%er u&$n' (' &a"!le. The water e)u$*alent actor actor o the +arl F$&cher ,ea'ent wa& -. an% the *olu"e con&u"e% wa& /.2"l. The %water content wa&0 content wa&0 2. hat $& the acid value o value o a att# ac$% &a"!le we$'h$n' -.(' wh$ch re)u$re 2"l o 3.13/3N NaOH to 4r$n' a4out the en%!o$nt. -. I a &a"!le &a"!le o wh$te wa5 wa5 $& oun% to to ha*e an ac$% *alue *alue o -.1 -.1 an% a &a!on$$cat &a!on$$cat$on $on *alue *alue o 62.-7 what what $& the ester value o value o the &a"!le8 . Deter"$ne th the iodine value o value o an un9nown &a"!le o o$l we$'h$n' 3.2' $ --"l an% 1.6"l o 3.3/::N o &o%$u" th$o&ulate are re)u$re% or the 4lan9 an% re&$%ual t$trat$on7 re&!ect$*el#. I%ent$# the &a"!le '$*en the ;SP re)u$re"ent o0 (. In phenol content %eter"$nat$on content %eter"$nat$on o a *olat$le o$l7 the la#er $n the 'ra%uate% nec9 o the ca&&$a la&9 rea% 2.-"l o4ta$ne% ro" a &a"!le o 13"l o the o$l ater treat"ent w$th +OH &olut$on. The ?!henol $&0 . A cru%e cru%e %ru' we$'h$n we$'h$n' ' 13.3(2(' 13.3(2(' wa& %r$e% %r$e% $n an o*en or &e*era &e*erall hour& #$el%$n' #$el%$n' a re&$%ue re&$%ue e)u$*alent e)u$*alent to to -.(62'. -.(62'. Calculate Calculate the the weight loss on drying. drying. 6. A &a"!le o corn corn o$l we$'h$n' 1.' &a!on$$e% &a!on$$e% w$th 2("l 2("l o 3.N +OH re)u$re% /"l o 3.(N 3.(N HCl to to t$trate the the e5ce&& +OH. In the 4lan9 %eter"$nat$on 23"l o 3.(N HCl wa& re)u$re% to t$trate the al9al$. Calculate the saponifiation value o value o the &a"!le :. hat $& the percent phenolic content phenolic content o the clo*e o$l $ 13"l wa& u&e% a& &a"!le an% ater treat"ent w$th +OH TS7 the non=!henol$c la#er at the nec9 o the ca&&$a la&9 "ea&ure% 1.("l8 /. I a 2' &a"!le &a"!le o co%=l$*er co%=l$*er o$l re)u$re% re)u$re% .("l .("l o 3.32N 3.32N NaOH $n the the t$trat$on t$trat$on o the ree ree att# ac$%&7 ac$%&7 what what woul% woul% 4e the acid number o o the o$l8 13. I a &a"!le o o 4ee&wa5 ha& an ac$% *alue o 1:.( 1:.( an% the e&ter e&ter *alue o :/.:7 :/.:7 what $& the saponification number o o the &a"!le8 11. I a &a"!le o o wh$te 4ee&wa5 ha& an ac$% *alue o 1:.( an% a &a!on$$cat$on *alue o 67 what $& the ester *alue *alue o the &a"!le8 12. 12. F$n% F$n% the acid number o o a ro&$n &a"!le we$'h$n' 1.1333 'ra"& wh$ch re)u$re% 2: "L o 3.1133N 3.1133N &o%$u" h#%ro5$%e to 4r$n' a4out the en% !o$nt 1-. 1-. F$n% F$n% the saponification *alue saponification *alue o cotton&ee% o$l $ a 1.(-23 'ra"& 'ra"& &a"!le re)u$re% 1(.6 1(.6 "L o 3.(133N h#%rochlor$c ac$%. ac$%. A 4lan9 4lan9 wa& run u&$n' 2 "L o 3.(133N h#%rochlor$c ac$%. 1. 1. Dete Deter" r"$n $ne e the the iodine *alue iodine *alue o o$l we$'h$n' 3.2133'7 $ 2.( "L an% 12.3 "L o 3.1133N 3.1133N &o%$u" th$o&ulate &olut$on are re)u$re% or the 4lan9 an% re&$%ual t$trat$on&7 re&!ect$*el#. re&!ect$*el#. 1(. I a &a"!le &a"!le o 4ee&wa5 4ee&wa5 $& oun% oun% to ha*e ha*e an ac$% *alue o 23. 23. an% a &a!on$$cat$on &a!on$$cat$on *alue o :/.:7 what $& the ester nu"4er nu"4er o the &a"!le8
QC 1 | FINALS Q2 SPECIAL METHODS 1. Calculate the water content content o Stre!to"#c$n Stre!to"#c$n !ow%er u&$n' (' &a"!le. The water e)u$*alent actor actor o the +arl F$&cher ,ea'ent wa& -. an% the *olu"e con&u"e% wa& /.2"l. The %water content wa&0 content wa&0 2. hat $& the acid value o value o a att# ac$% &a"!le we$'h$n' -.(' wh$ch re)u$re 2"l o 3.13/3N NaOH to 4r$n' a4out the en%!o$nt. -. I a &a"!le &a"!le o wh$te wa5 wa5 $& oun% to to ha*e an ac$% *alue *alue o -.1 -.1 an% a &a!on$$cat &a!on$$cat$on $on *alue *alue o 62.-7 what what $& the ester value o value o the &a"!le8 . Deter"$ne th the iodine value o value o an un9nown &a"!le o o$l we$'h$n' 3.2' $ --"l an% 1.6"l o 3.3/::N o &o%$u" th$o&ulate are re)u$re% or the 4lan9 an% re&$%ual t$trat$on7 re&!ect$*el#. I%ent$# the &a"!le '$*en the ;SP re)u$re"ent o0 (. In phenol content %eter"$nat$on content %eter"$nat$on o a *olat$le o$l7 the la#er $n the 'ra%uate% nec9 o the ca&&$a la&9 rea% 2.-"l o4ta$ne% ro" a &a"!le o 13"l o the o$l ater treat"ent w$th +OH &olut$on. The ?!henol $&0 . A cru%e cru%e %ru' we$'h$n we$'h$n' ' 13.3(2(' 13.3(2(' wa& %r$e% %r$e% $n an o*en or &e*era &e*erall hour& #$el%$n' #$el%$n' a re&$%ue re&$%ue e)u$*alent e)u$*alent to to -.(62'. -.(62'. Calculate Calculate the the weight loss on drying. drying. 6. A &a"!le o corn corn o$l we$'h$n' 1.' &a!on$$e% &a!on$$e% w$th 2("l 2("l o 3.N +OH re)u$re% /"l o 3.(N 3.(N HCl to to t$trate the the e5ce&& +OH. In the 4lan9 %eter"$nat$on 23"l o 3.(N HCl wa& re)u$re% to t$trate the al9al$. Calculate the saponifiation value o value o the &a"!le :. hat $& the percent phenolic content phenolic content o the clo*e o$l $ 13"l wa& u&e% a& &a"!le an% ater treat"ent w$th +OH TS7 the non=!henol$c la#er at the nec9 o the ca&&$a la&9 "ea&ure% 1.("l8 /. I a 2' &a"!le &a"!le o co%=l$*er co%=l$*er o$l re)u$re% re)u$re% .("l .("l o 3.32N 3.32N NaOH $n the the t$trat$on t$trat$on o the ree ree att# ac$%&7 ac$%&7 what what woul% woul% 4e the acid number o o the o$l8 13. I a &a"!le o o 4ee&wa5 ha& an ac$% *alue o 1:.( 1:.( an% the e&ter e&ter *alue o :/.:7 :/.:7 what $& the saponification number o o the &a"!le8 11. I a &a"!le o o wh$te 4ee&wa5 ha& an ac$% *alue o 1:.( an% a &a!on$$cat$on *alue o 67 what $& the ester *alue *alue o the &a"!le8 12. 12. F$n% F$n% the acid number o o a ro&$n &a"!le we$'h$n' 1.1333 'ra"& wh$ch re)u$re% 2: "L o 3.1133N 3.1133N &o%$u" h#%ro5$%e to 4r$n' a4out the en% !o$nt 1-. 1-. F$n% F$n% the saponification *alue saponification *alue o cotton&ee% o$l $ a 1.(-23 'ra"& 'ra"& &a"!le re)u$re% 1(.6 1(.6 "L o 3.(133N h#%rochlor$c ac$%. ac$%. A 4lan9 4lan9 wa& run u&$n' 2 "L o 3.(133N h#%rochlor$c ac$%. 1. 1. Dete Deter" r"$n $ne e the the iodine *alue iodine *alue o o$l we$'h$n' 3.2133'7 $ 2.( "L an% 12.3 "L o 3.1133N 3.1133N &o%$u" th$o&ulate &olut$on are re)u$re% or the 4lan9 an% re&$%ual t$trat$on&7 re&!ect$*el#. re&!ect$*el#. 1(. I a &a"!le &a"!le o 4ee&wa5 4ee&wa5 $& oun% oun% to ha*e ha*e an ac$% *alue o 23. 23. an% a &a!on$$cat$on &a!on$$cat$on *alue o :/.:7 what $& the ester nu"4er nu"4er o the &a"!le8
