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1 1 I i J i ' i l T
iTciail'jo.of PriniedFagevri.'
1.2.
Pharmaceutica I Chemistry-Ill
(8. Pharmacy,2ndSemester,
T i m e : 3H o u r s ]
[Ma,rimum
Marks:
llote:-section A is compulsory. AttemptFour
questionsfrom SectionB and any Three
questionsfromSectionC.
Section-A Marks:
DefineAufbau
PrinciPle.
PCl.dissociatesto givePCl..Why
Discuss conformationalisomerism.
Writenoteoncarbenes.
W h a i e j o y o u m e a n b y
F
a n s
S
configurations
v
i,.,,i: r:rne ihe crorbitals involvedin : \ v r , /
r r e r r r v
'..) S,r"t i iyi;riuiisaiic;ri,ancJ
i ) , S t l , 1 2 h v i r r i r i i 5 4 i i n n
;,r:i Er:,'ieili i'l"igrkc'v,ri:ikcv's r't.lie.,
. 1
j ,
d TurnOver
t t A
U--?
( i )
( i i )
(iii)
(iv)
i i / |
( 2 )
/,t
f ( d ) G i v et h e r e q u i r e m e n t s
o f a c o m p o u n d
.shoryin
g opticalactivity.
-(!]r;Flt
whytrimerhyiamine
is lessbasic
gaffdl-methytamine.
iiie ciown the structui.aifcrmuia of all the
F n m ^ ^. - r
- v r r r y w u r r U S W n l C n D O s s p c e f n r m , , , ^
/ 1 l t
' v l l l l l i l A
u < n r r ( J.
Write thesiructur.al foi-muia fo;.each of ihe
following compounds :
3 - E i n y i - 2 - m e t h y l - p e n t a n e
( i i ) 1 , 3 - B u t a d i e n e
Define andclassify structural lsomerism.
Explainbrieflywhy chlorohcetic
acid is a
stronger acidthanacetic acid.
F o r. t h e f o l l o w i n g p o i n to u t t h e c o r r e c t
o r i e n t i n g ' n a t u r e o f e a c h g r o u p w h e n
present in an aromatic nucleus :
Idl
(i)
(ii)
(i'i)
(iv)
-oH
i i
_g.lacg,
aceirc , ^
acrd-66il--
v
/r-\ I
(v) lso-propyl alcohol
t"')
A
;?^:
B
N a L 0 3
Explairtthe followitrg
(a) SandgneyerReaction
(b) WilliamronSynthesis
(c) Fittig'sReaction
(d) Benzoin condensation
(e) Metamerism.
How wiil you convert:
(a) Acetaldehyde to Lacticacid
(b) Toiueneto benzene
(c) Acetyleneto Aceticacid
(d) Oxaiicacidto Cyanogen
i o \ E l h r r i a l n n h n t
\ v , ,
L r r t t r g r v v l r v l t v r Y r v r r. q r i v '
(a) ExplainResonance.
Boil
. .\
K l l H
' ^ -
l " l v
v
2x
-tE
it') Write
structuralformuiae
ancj
iijPACnames
of variousstructurai
isomershavinqthe
m O i e C U l a ; ' i C i ' n ' r r i : e
H
3 r
, u , u v : , , l _.
ic)
l-iow wortid you r-:frnrifii napirlaien? inio
2-nitrcnaphthalene
r i J
i i / h?. r d , :
\ / /
_ ,
|
^ n n f i n 1 , r : i i : t n. q
" r
,
i
I < n r
| |. 2. +
u-
