Informe 2 (Ino)

UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS FACULT ACULTAD DE QUIMICA E ING. QUIMICA E.A.P QUI

PRACTICA N°2 SALES HALOGENADAS, PREPARACION Y PROPIED ASIGNATURA ASIGNA TURA::

Laboratoro !" #$%&'a (or)*('a.

GRUPO: 2 PROFESORA: PROFESO RA: I+ab" Ra&r"FECHA DE REALIACION: FECHA DE ENTREGA: INTEGRANTES:

Lobato( H/ar Saa-ar Ra+0ta Ro&a(

FACULTAD DE QUIMICA E INGENIERIA QUIMICAE.A.P QUIMICA Asignatura : laboratorio de u!"i#a inorg$ni#a A%Gru&o : 'ue(es de ) a * +e"estre a#ad,"i#o : %-)/% Pro0esora : Isabel Ra"!re1Pra#ti#a : 2al3genos4 obten#i3n 5 &ro&iedadesFe#2a de reali1a#i3n de la &r$#ti#a : 'ue(es  de setie"bre Fe#2a de entrega del in0or"e : lunes 6 de setie"bre

7b'eti(os: Ob+"r1ar a+ ro"!a!"+ o3!a(t"+ #$" t"("( o+ 0a4)"(o+ "( $(a 1ara'4( !" PH. E+t$!ar a+ 'ara't"r%+t'a+ 'o&$"+to+ 'ara't"r%+t'o+ #$" t"("( 'o&o ba+" $( 0a4)"(o. •

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Con#lusiones: Lo+ 'orato+ a +"r 'a"(ta!o+ !"+r"(!"( o3%)"(o #$" o!"&o+ (otaro a r"(!"r $( ato !" 5o+5oro " '$a t"(" $(a a&a ('a(!"+'"(t", "ro a $t-ar $( 'ata-a!or 'o&o "( "+t" 'a+o 5$" " b43!o !" &a)("+o 6M(O 27 (ota&o+ #$" a a&a a$&"(ta. Por +$+ ro"!a!"+ 'o&o a)"(t" o3!a(t", " 0obro&to "+ $+a!o 'o&o a)"(t" ba(#$"a!or. •

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II. RE+ULTAD7+ E8PERIMENTALE+: a9 7bten#i3n del i&obro"ito. &ro&iedad.

Condi#iones/

S" $!o obt"("r 0obro&to !" +o!o a artr !" o+ +)$"(t"+ a+o+: 8. S" 'oo'4 8& $(a +o$'4( a'a(a !" NaOH a 9 "( $( t$bo !" "(+a;o.

2. S" !"/a "(5rar "( 0"o ara ba/ar a t"&"rat$ra.

<. F(a&"(t" +" a=a!" 8& !" a)$a !" bro&o a 9 "( " t$bo !" "(+a;o ara !ar a+o a a r"a''4( #$" (o+ !ar* 'o&o ro!$'to " 0obro&to !" +o!o.

−¿+ H  O( ) −¿+ Br(¿ ) l

2

ac

−¿ ¿ OH ( ac ) →BrO( ac)

Br 2 ( l ) + 2 ¿

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E( "+ta r"a''4( " bro&o !+&$ta, "+ !"'r #$" +$5r" a a 1"$(a r"!$''4( ; $(a o3!a'4( !"+!" " "+ta!o !" o3!a'4( > !" Br 2 ( l )

 a o+ "+ta!o+ !" o3!a'4( ?8 !" bro&$ro

−¿ ¿

Br ( ac)

 ; @8 !"

−¿

0obro&to

¿ BrO ( ac )

 .

ro&o 'oor a&aro ro/-o

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D"'oora'4( !" bro&o "( 'o(ta'to 'o( " 0!r43!o

Co( "+to #$"!a 'o&roba!o '4&o "+ #$" " 0obro&to "+ $( a)"(t" o3!a(t" #$" "+ $( r('a ro"!a!.

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III. ®untas de an$lisis de e;&eri"ento: a9 E;&liue la 0un#i3n del P en la o;ida#i3n de los 5oduros.

<.) =oduros en &resen#ia de una "e1#la reguladora.

8ER TUO

2DO TUO


BIO< @BI @ a&!4( BCO< @ BI @ a&!4( BrO< @ BI@a&!4( E( "+t" 'a+o (o 0a; 1ara'4( "( a 'oora'4( No 0a; 1ara'4( "( " 'oor S" ob+"r1a $( 'a&bo !" 'oor

E( o+ !o+ r&"ro+ t$bo+ #$" 'o(t"("( BCO < ; BrO< r"+"'t1a&"(t", "+" a &"!o *'!o " a&!4( (o r"'o(o'" a ;o!o 'a+o 'o(traro #$" a+a 'o( " t$bo < "( !o(!" +% +" r"'o(o'" a ;o!o ; "+to o o!"&o+ (otar 'o( " 'a&bo !" 'oora'4(. La &"-'a r")$a!ora "+ a #$" !a " &"!o a a r"a''4( "( "+t" 'a+o t"("&o+ $( PH 'a+ '"ro "+ "( "+t" ra()o !" PH !o(!" +oa&"(t" " ;o!o +" o3!a 1"a&o+ a +)$"(t" r"a''4(:

<.% =oduros en &resen#ia de $#ido a#,ti#o >C< C779

8ER TUO

2DO TUO

BCO< @ BI @ a&!4( BrO< @ BI@a&!4( E( "+t" 'a+o (o 0a; 1ara'4( "( a 'oora'4( No 0a; 1ara'4( "( " 'oor


BIO< @BI @ a&!4( S" ob+"r1a $( 'a&bo !" 'oor

E( " r&"r t$bo (o +" ob+"r1a (()( 'a&bo !" 'oor, "+to +" !"b" a #$" " a&!4( (o r"'o(o'4 a ;o!o. E( " 2!o ; <"r t$bo +% ob+"r1a&o+ 'a&bo+ "( +$ 'oora'4(, "( " t$bo 2 $( 'oor a-$ o+'$ro ; "( " otro t$bo $( 'oor (")ro (t"(+o. E+to+ !o+ 'a&bo+ !" 'oora'4( +o( a( &*+ (t"(+o+ "( 'o&ara'4( 'o( a r&"ra "3"r"('a !"b!o a #$" " PH #$" " !a " *'!o a't'o "+ aro3&a!a&"(t" .9. Co&o +ab"&o+ o+ 0a4)"(o+ o+""( $( 'ar*'t"r &*+ o3!a(t" "( r"+"('a !" $( *'!o 'o( &a;or PH.

<.< =oduros en &resen#ia de Cl

8ER TUO

2DO TUO

BCO< @ BI @ a&!4( BrO< @ BI@a&!4( E( "+t" 'a+o (o 0a; 1ara'4( "( a 'oora'4( No 0a; 1ara'4( "( " 'oor


BIO< @BI @ a&!4( S" ob+"r1a $( 'a&bo !" 'oor

E( o+ tr"+ t$bo+ (ota&o+ 'a&bo+ !" 'oora'4( "+to (o+ (!'a #$" " a&!4( r"'o(o'" a r"+"('a !" ;o!o "( " <"r t$bo a 'oora'4( "+ a( &*+ o+'$ra or#$" 0a; ;o!o.