Marking Scheme

SRE-111
$=s
@
;dfGffGt/ h8fg
rlDsnf]kgf ;Dffg x'G5 .
Pp6f k|of]u ubf{ csf]{df c;/ kb}{g
jf cGo o:t} kmfObf n]v]df
$=v bfofF xftsf] tLg cf}+nf -a'9L, rf]/ / dfemL_ nfO{ k/:k/ nDa x'g] u/L /fVbf a'9L
cf}+nfn] rfn, rf]/L cf}+nfn] an /]vf / dflem cf}+nfn] ljB't\sf] lbzf hgfpF5 egL
%=s
n]v]df
h]g]/]6/
ljB't\ r'Das k|of]u ul/G5 .
SjfOnnfO{ rfn cj:yfdf NofP/ ljB't\
pTkfbg ul/G5 .
ljB't df]6/
:yfoL r'Das k|of]u ul/G5
.
ljB't zlStnfO{ olGqs
zlStdf kl/0ft ub{5 jf
cGo ldNg] pQ/ n]v]df
SjfOndf ;6{ ;ls{6 (short circuit) gxf];\ eGg] p2]Zon] Ogfd]n
nufOPsf] tf/ k|of]u ul/G5 .
xfO8«f]hgsf] aflx/L sIfdf PP6f dfq On]S6«f]g ePsf]n] /f;folgs k|ltlqmofdf
Pp6f On]S6«f]g lng] ub{5 .
xfO8«f]hg n] ;lqmo wft'sf] h:t} u/L (Electro positive idn)
lbg] x'gfn] . jf cGo ;xL k|ltlqmof n]v]df
)=%
)=%
)=%
!
!
!
!
!
!
%=v
^=s
2Kc10 3 2Kcl +30 2 @
sfj{g8fOcS;fO{8 UofF;nfO{ –78 0 C df lr:ofpFbf 7f]; c:yfdf kl/0ft x'G5 . 7f]; !
cj:yfsf] sfj{g8fOcS;fO8nfO{ ;'Vvf j/km elgG5 .
kmnk"mn, df5f, df;'nfO{ ;'/lIft /fVg ;'Vvf j/kmsf] k|of]u ul/G5 . !
lUn;]/f]n (Glycerol) )=%
OH
H C C
H
OH
H
rfNsf]kfO/fO6 / sk/ UnfG;
!
-jf cGo ;xL pQ/ n]v]df k"0f cª\s lbg]_
lsgeg] kmnfd ;'geGbf a9L ;lqmo x'G5 / o;n] xfjf, kfgL;Fu k|ltlqmof u5{ . !
NaOH + CH 3 COOH CH 3 COONa + H 2 O @
-s8f Iff/_ -g/d cDn_
-olb c;Gt'lnt ;dLs/0f n]v]df Ps cª\s dfq} lbg] jf cGo ;xL pQ/ n]v]df_
OH
C
H
H
!
3