Mharky Lab Report 1

7/23/2019 Mharky Lab Report 1

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BICOL UNIVERSITY

COLLEGE OF ENGINEERING

CHEMICAL ENGINEERING DEPARTMENT

LEGAZPI CITY

LABORATORY REPORTPREPARATION AND PROPERTIES OF ETHYL ALCOHOL

Organic Chemi!r" #

Pre$are% &"'

MHARK LOUIE T. SARDANA

BS ChE III

Preen!e% !('

ENGR. JUNEL BORBO

S)&*ec! In!r)c!(r



Introduction.

E!han(+ i an in!(,ica!ing ingre%ien! !ha! i )e% in &eer- .ine- an% %i!i++e% $iri!/ E!han(+0

chemica+ 1(rm)+a i CH2CH#OH/ E!han(+ i a+( &eing )e% in a)!(m(!i3e ga(+ine- .hich i re1erre% !(

a ga(h(+/

PurposeA. T( $r(%)ce e!han(+ 1r(m 1ermen!a!i(n (1 )gar an% e3en!)a++" %i!i++e% !he (+)!i(n/

B. T( !e! !he e!han(+ .i!h 3arie!" (1 reagen! 1(r )n%er!an%ing !he $r($er!ie (1 !he a+c(h(+

I. MATERIALS ! REAGENTS TO BE USED

M"teri"#s

456 F+(rence 1+a7 456 De+i3er !)&e 8 g+a

C(!!(n 456 Di!i++ing 1+a7

456 Bea7er 9:: mL 496 !e! !)&e

Te! !)&e rac7 426 Bea7er 5:: mL

4#6 Li!m) $a$er 4re% an% &+)e6 456 Cr)ci&+e

Ma!ch 456 Gra%)a!e% c"+in%er

456 %r($$er C(r7

Di!i++a!i(n e!)$

456 B)nen &)rner 4#6 Ring

4#6 Ir(n !an% 456 Tri$(%

4;6 C+i$ 456 <ire ga)=e

456 3ac))m a%a$!(r 426 R)&&er !)&ing

456 !eam 1)nne+ 456 Lei&ig c(n%ener

4#6 Er+enme"er 1+a7 456 %i!i++ing 1+a7

426 !e! !)&e 456 !herm(me!er

4;6 U!i+i!" c+am$

Re"$ents

Re1ine% S)gar <a!er

Yea! Lime .a!er (+)!i(n

S(%i)m Car&(na!e Di+)!e P(!ai)m Dichr(ma!e

C(nc/ H#SO; 4>?@6 I(%ine

496 Lem(n Oi+

S"%et& E'uip(ents

La& G(.nG+(3e

Di$(a&+e 1ace ma7

G(gg+e

II. GENERAL PRO)EDURES

5/ Mi, 9: g (1 )gar an% 59: mL (1 .a!er in F+(rence 1+a7/

#/ Ma7e a $a!e &" grin%ing .i!h #: mL (1 .a!er .i!h #: g (1 "ea!- an% in!r(%)ce !hi

in!( !he 1+a7/ Mi, !h(r()gh+" an% c(3er !he 1+a7 .i!h c(r7 ha3ing a %e+i3er" g+a

!)&ing- !he (!her en% &eing $+ace% ini%e !he !e! !)&e c(n!aining c+ear +ime .a!er

(+)!i(n/

2/ A++(. !( !an% )n!i+ !he ne,! %a"

;/ Fi+!er a&()! ha+1 (1 !he mi,!)re !hr()gh a $iece (1 c(!!(n in!( a %i!i++ing 1+a7 !a7ing

care n(! !( %i!)r& !he (+i% a! !he &(!!(m/

9/ A%% a&()! # g (1 S(%i)m car&(na!e !( !he 1i+!ra!e an% %i!i++ a&()! 2: mL (1 !he%i!i++a!e/

TEST FOR THE PRESENCE OF THE ALCOHOL

5/ O&er3e !he c(+(r an% (%(r (1 e!h"+ a+c(h(+

#/ S(+)&i+i!" !e!'

a/ A%% 9 mL (1 .a!er !( 9 mL (1 e!h"+ a+c(h(+ an% ha7e/ N(!e !he re)+!



&/ In a !e! !)&e- .arm gen!+" in a .a!er &a!h 5 g (1 i(%ine an% 59 mL (1

e!h"+ a+c(h(+/ N(!e !he re)+!/c/ T( 5 mL (1 +em(n an% (i+ 4e$ara!e6- a%% 9 mL (1 e!h"+ a+c(h(+ an%

ha7e/ N(!e !he re)+!

2/ F+amma&i+i!" (1 a+c(h(+/ P+ace # mL (1 e!h"+ a+c(h(+ in a cr)ci&+e an% igni!e/

N(!e !he na!)re (1 1+ame $r(%)ce%/;/ Te! .i!h +i!m)/ Te! !he reac!i(n (1 e!h"+ a+c(h(+ .i!h &+)e an% re% +i!m) $a$er/

9/ O,i%a!i(n (1 e!h"+ a+c(h(+/ Mi, in a !e! !)&e 2 mL (1 %i+)!e $(!ai)m

%ichr(ma!e- ; %r($ (1 c(ncen!ra!e% H#SO; an% # mL (1 e!h"+ a+c(h(+/ <arm !he

mi,!)re an% (&er3e !he change in c(+(r (1 !he (+)!i(n an% !he (%(r (1 !he ne.

$r(%)c! 1(rme%/

III. ANAL*SIS AND INTERPRETATION O+ DATA

)e!i(n'

5/ <ha! i !he $)r$(e (1 ha3ing a %e+i3er" !)&e c(nnec!e% in a !e! !)&e (1 +ime .a!er in !he1ermen!a!i(n e!)$ <ri!e !he chemica+ e)a!i(n 1(r !he 1ermen!a!i(n an% !he chemica+

reac!i(n (1 !he $r(%)c! (1 1ermen!a!i(n .i!h +ime .a!er/

An.er'

The $)r$(e (1 ha3ing a %e+i3er" !)&e a!!ache% in !he !e! !)&e . +ime .a!er in !he e!)$

i !( (&er3e !he "ie+%ing (1 car&(n %i(,i%e 1r(m !he 1ermen!a!i(n $r(ce (1 "ea! an% )gar

(+)!i(n in !he 3ee+/ I! i (&er3e% !ha! a mi+7" (+)!i(n .a $r(%)ce% a1!er !he &)&&+ing (1

CO# in !he +ime .a!er (+)!i(n a 1(++(. &" !he chemica+ e)a!i(n'

Ca (OH )2(aq)+CO

2( g ) →CaCO3 (s )+ H

2O(l)

The Ba+ance% Chemica+ E)a!i(n 1(r !he 1ermen!a!i(n (1 g+)c(e !( e!han(+

C 6 H

12O

6 ( aq) →2C 2 H

5O H (l )+2C O

2( g)

#/ Ta&)+a!e !he re)+! (1 !he !e! 1(r !he $r($er!ie (1 e!h"+ a+c(h(+- inc+)%ing !he re)+! (1

!he !e! .i!h +i!m)/

SOLUBILIT* TEST

5/ <a!er .i!h E!han(+ Mici&+e

#/ I(%ine .i!h E!han(+ Par!ia++" mici&+e

2/ Lem(n an% E!han(+ Mici&+e

;/ Oi+ an% E!han(+ Immici&+e

+LAMMABILIT* Re)+! .i!h &+)e 1+ame

,ITH LITMUS PAPER B+)e c(+(r

O-IDATION ,ITH K )rO/

Ini!ia+ C(n%i!i(n C(+(r' Brigh! (range c(+(r (1 (+)!i(n

O%(r' Same (%(r

Fina+ C(n%i!i(n C(+(r' T)rn !( green 4%)e !( Cr 2 in !he

(+)!i(n6

O%(r' S!r(nger a+c(h(+ic (%(r

2/ <ri!e !he chemica+ e)a!i(n 1(r !he c(m&)!i(n (1 e!h"+ a+c(h(+/

An.er' C 2 H

5OH +

7

2O

2 (g ) → C O2 ( g)+ H

2O( g )



;/ <ri!e !he chemica+ e)a!i(n 1(r !he (,i%a!i(n (1 e!h"+ a+c(h(+/ <ha! i !he $r(%)c! (1 !he

(,i%a!i(n

An.er' <i!h !he $reence (1 high !em$era!)re in !he reac!i(n- !he reac!i(n .i++ $r(cee% !(

c(m$+e!e (,i%a!i(n

3+¿+11 H 2O

+¿→3C H 3COOH +4Cr

¿

3C H 3CH

2OH +2Cr

2O

7

−2+16 H

¿

F(r !hi )&*ec! ma!!er- im$+i1ie% 3eri(n .a )e%/ O i in!r(%)ce% 1(r re$reen!a!i(n (1

(,"gen in !he (,i%i=ing agen!

CH 3CH

2OH +2 [O ]→CH

3COOH + H

2O

Pr(%)c!' Ace!ic aci%

I0. )ON)LUSION

E!han(+ i 1+amma&+e- c(+(r+e +i)i% .i!h a !r(ng a+c(h(+ic (%(r/ I! &)rn .i!h a

m(7e+e &+)e 1+ame/ The c(mm(n $H (1 !hi a+c(h(+ range 1r(m J/2:J/29- .hich i &aic-

c(m$are% !( .a!er .i!h $H (1 J/ The 1ermen!a!i(n (1 )gar in!( e!han(+ i ai% !( &e !he

c(mm(n me!h(% 1(r +a&(ra!(r"e,$erimen!a!i(n an% 1)r!her %i!i++a!i(n 1(r !he c(++ec!i(n (1

higher $)ri!" (1 !he a+c(h(+/ The main!aine% !em$era!)re 1(r !he $r(ce i ranging 1r(m JJ

?9C %)e !( !he &(i+ing $(in! (1 e!han(+ a! J?C/ Se3era+ !e! ma" &e )e% 1(r !he $r($er!ie (1

e!han(+/ In !he (,i%a!i(n (1 !he e!han(+- !.( $r(%)c! ma" &e $r(%)ce%/ I! %e$en% (n !he

c(m$+e!i(n (1 !he reac!i(n an% !he na!)re (1 !he en3ir(nmen! (1 !he $r(ce/

0. RE)OMMENDATION

5/ F(r !he 1ermen!a!i(n %)ra!i(n- e! !he am$+e 1(r a&()! 2 %a" (r m(re

#/ Search 1(r (!her e,$erimen! e!)$ (n h(. !( "ie+% e!han(+ an% c(m$are !he re)+!

0I. DO)UMENTATION

TESTING O+ AL)OHOL

A. So#u1i#it& test

Fermentation setupDistillation setup

CO2 passing

the lime

water

Fermented

sugarsolution

Application o litmus paper

Oxidation o K 2CrO7 to thanol

(!eore contact to water "ath)

Oxidation o K 2CrO7 to thanol

(Ater contact to water "ath)

#O$% &reen color is due to

Cr' present to the solution

Com"ustion o thanol

thanol with odine(rom let to right)* Lemon with EtOH,Oil with EtOH, Water and EtOH

Documents

Mharky Lab Report 1