Download - MSC. - Chemistry - 2013
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7/25/2019 MSC. - Chemistry - 2013
1/179
Time : 2
P2196
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
2/179
,G H S
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7/25/2019 MSC. - Chemistry - 2013
3/179
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7/25/2019 MSC. - Chemistry - 2013
4/179
P2197
SEAT No. :
2S nn
1v
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7/25/2019 MSC. - Chemistry - 2013
5/179
xy 2 zC
1
22C 22C h 2 v 2 d
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7/25/2019 MSC. - Chemistry - 2013
6/179
2 v 2 d
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7/25/2019 MSC. - Chemistry - 2013
7/179
pKa
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7/25/2019 MSC. - Chemistry - 2013
8/179
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7/25/2019 MSC. - Chemistry - 2013
9/179
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7/25/2019 MSC. - Chemistry - 2013
10/179
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7/25/2019 MSC. - Chemistry - 2013
11/179
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7/25/2019 MSC. - Chemistry - 2013
12/179
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7/25/2019 MSC. - Chemistry - 2013
13/179
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7/25/2019 MSC. - Chemistry - 2013
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1
2
E E 2 1
E
n n
n
n
n
+ +
=
n
S and G
mix mix
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7/25/2019 MSC. - Chemistry - 2013
15/179
+ 2
2 2 2 4 3NH CONH +2H O 2NH +CO
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7/25/2019 MSC. - Chemistry - 2013
16/179
P2156
SEAT No. :
( )2 z xy
vC i i
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7/25/2019 MSC. - Chemistry - 2013
17/179
[ ]24 NiCl
[ ]24: Ni CN
22C 22C
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7/25/2019 MSC. - Chemistry - 2013
18/179
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7/25/2019 MSC. - Chemistry - 2013
19/179
P2157
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
20/179
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7/25/2019 MSC. - Chemistry - 2013
21/179
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7/25/2019 MSC. - Chemistry - 2013
22/179
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7/25/2019 MSC. - Chemistry - 2013
23/179
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7/25/2019 MSC. - Chemistry - 2013
24/179
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7/25/2019 MSC. - Chemistry - 2013
25/179
Time : 3
P2200
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
26/179
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7/25/2019 MSC. - Chemistry - 2013
27/179
eW
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7/25/2019 MSC. - Chemistry - 2013
28/179
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7/25/2019 MSC. - Chemistry - 2013
29/179
P2201
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
30/179
[ ]2 31
2 5B3
+
2 1
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7/25/2019 MSC. - Chemistry - 2013
31/179
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7/25/2019 MSC. - Chemistry - 2013
32/179
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7/25/2019 MSC. - Chemistry - 2013
33/179
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7/25/2019 MSC. - Chemistry - 2013
34/179
P2202
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
35/179
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7/25/2019 MSC. - Chemistry - 2013
36/179
-
7/25/2019 MSC. - Chemistry - 2013
37/179
-
7/25/2019 MSC. - Chemistry - 2013
38/179
max
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7/25/2019 MSC. - Chemistry - 2013
39/179
P2203
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
40/179
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7/25/2019 MSC. - Chemistry - 2013
41/179
P2203
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7/25/2019 MSC. - Chemistry - 2013
42/179
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7/25/2019 MSC. - Chemistry - 2013
43/179
P2203
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7/25/2019 MSC. - Chemistry - 2013
44/179
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7/25/2019 MSC. - Chemistry - 2013
45/179
P2203
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7/25/2019 MSC. - Chemistry - 2013
46/179
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7/25/2019 MSC. - Chemistry - 2013
47/179
P2203
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7/25/2019 MSC. - Chemistry - 2013
48/179
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7/25/2019 MSC. - Chemistry - 2013
49/179
P2203
8 8 3
2 5 6
1 2 6 3
9 7 1 1
?dydx
=
3
2
4 7
5 2
x x y
x = +
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7/25/2019 MSC. - Chemistry - 2013
50/179
1 1 2
3 1 2
3 2 1
100
1
RT ?v
v
dvv
=
==
3 2( 3 2)?
x x dx
x
+ + =
7 7 3
2 1 2
63 6 2
2 A ?4 2 3
1
x x = =
38 9 4
2 B ?2 6 8
3
y y = =
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7/25/2019 MSC. - Chemistry - 2013
51/179
P2203
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7/25/2019 MSC. - Chemistry - 2013
52/179
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7/25/2019 MSC. - Chemistry - 2013
53/179
P2159
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
54/179
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7/25/2019 MSC. - Chemistry - 2013
55/179
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7/25/2019 MSC. - Chemistry - 2013
56/179
P2160
SEAT No. :
3 2
1 2
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7/25/2019 MSC. - Chemistry - 2013
57/179
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7/25/2019 MSC. - Chemistry - 2013
58/179
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7/25/2019 MSC. - Chemistry - 2013
59/179
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7/25/2019 MSC. - Chemistry - 2013
60/179
-
7/25/2019 MSC. - Chemistry - 2013
61/179
P2161
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
62/179
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7/25/2019 MSC. - Chemistry - 2013
63/179
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7/25/2019 MSC. - Chemistry - 2013
64/179
3 2 2 3CH -CO-CH - C O-CH -CH
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7/25/2019 MSC. - Chemistry - 2013
65/179
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7/25/2019 MSC. - Chemistry - 2013
66/179
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7/25/2019 MSC. - Chemistry - 2013
67/179
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7/25/2019 MSC. - Chemistry - 2013
68/179
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7/25/2019 MSC. - Chemistry - 2013
69/179
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7/25/2019 MSC. - Chemistry - 2013
70/179
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7/25/2019 MSC. - Chemistry - 2013
71/179
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7/25/2019 MSC. - Chemistry - 2013
72/179
32 NH4 2P+Cl No a b
23 No
3 23Pt Cl NH No e f
-
7/25/2019 MSC. - Chemistry - 2013
73/179
6 1
1 3
5 2
7 1
3
, ?6
x dy y
dx
-
7/25/2019 MSC. - Chemistry - 2013
74/179
34 32 7 10 5, ? x
dy y x x e
dx
1?
1
xdx
x
3 42 5 ? x x dx
45 6 2
A = B= 23 4 1
6
59 8 2
X = Y = 64 5 43
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7/25/2019 MSC. - Chemistry - 2013
75/179
-
7/25/2019 MSC. - Chemistry - 2013
76/179
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7/25/2019 MSC. - Chemistry - 2013
77/179
P2162
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
78/179
2
2
d dx
A
A A A
z L , L L x yi =
L x L y L z
-
7/25/2019 MSC. - Chemistry - 2013
79/179
co
E +EE = 2
oA
-
7/25/2019 MSC. - Chemistry - 2013
80/179
P2163
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
81/179
3+Fe
G
-
7/25/2019 MSC. - Chemistry - 2013
82/179
o
A
-
7/25/2019 MSC. - Chemistry - 2013
83/179
P2164
SEAT No. :
e
n
-
7/25/2019 MSC. - Chemistry - 2013
84/179
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7/25/2019 MSC. - Chemistry - 2013
85/179
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7/25/2019 MSC. - Chemistry - 2013
86/179
Time : 3
P2165
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
87/179
,S H G
n wX , X nX
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7/25/2019 MSC. - Chemistry - 2013
88/179
Mn = 28000
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7/25/2019 MSC. - Chemistry - 2013
89/179
Time : 3
P2166
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
90/179
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7/25/2019 MSC. - Chemistry - 2013
91/179
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7/25/2019 MSC. - Chemistry - 2013
92/179
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7/25/2019 MSC. - Chemistry - 2013
93/179
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7/25/2019 MSC. - Chemistry - 2013
94/179
Time : 3
P2168
SEAT No. :
3 2 4
32 4
NH C H2y
NHC H2y
[pt cl ] ? ?[pt cl ] ? ?
2 32 n 2 n 2 n[Mg (H O) ] , [Al (H O) ] , [Na (H O) ]
+ + +
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7/25/2019 MSC. - Chemistry - 2013
95/179
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7/25/2019 MSC. - Chemistry - 2013
96/179
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7/25/2019 MSC. - Chemistry - 2013
97/179
P2169
SEAT No. :
1
E = H + A4
g
Mossbauer
Mossbauer
-
7/25/2019 MSC. - Chemistry - 2013
98/179
13I ; I 22g e= =
7 5I ; I2 2g e= =
Mossbauer
Q
Mossbauer
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7/25/2019 MSC. - Chemistry - 2013
99/179
P2170
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
100/179
-
7/25/2019 MSC. - Chemistry - 2013
101/179
P2171
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
102/179
-
7/25/2019 MSC. - Chemistry - 2013
103/179
-
7/25/2019 MSC. - Chemistry - 2013
104/179
Time : 3
P2172
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
105/179
-
7/25/2019 MSC. - Chemistry - 2013
106/179
-
7/25/2019 MSC. - Chemistry - 2013
107/179
-
7/25/2019 MSC. - Chemistry - 2013
108/179
-
7/25/2019 MSC. - Chemistry - 2013
109/179
-
7/25/2019 MSC. - Chemistry - 2013
110/179
P2173
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
111/179
-
7/25/2019 MSC. - Chemistry - 2013
112/179
-
7/25/2019 MSC. - Chemistry - 2013
113/179
-
7/25/2019 MSC. - Chemistry - 2013
114/179
Total No. of Questions : 6]
[4823]-313M.Sc. - II
ORGANIC CHEMISTRYCHO - 353 : Photochemistry, Pericyclic Reactions and Heterocyclic
Chemistry(2013 Pattern) (Semester - III)
Time : 3 Hours] [Max. Marks : 50 Instructions to the candidates:
1) All questions are compulsory.
2) Figures to the right indicate full marks.3) Answers to the two sections should be written in separate answer books.
P2174 [Total No. of Pages : 3
SEAT No. :
SECTION - I
Q1) Explain any three of the following: [9]
a) Gas phase irradiation of cyclopentanone gives three products.
b) Molecular orbitals of heptatrienyl system and comment on their symmetry
and C 2 axis of symmetry.c) 1, 3 - diphenylpropene on photoirradiation forms 1, 2 - diphenyl
cyclopropane.
d) With the help of FMO predict whether (2+2) cycloaddition reaction of two ethylenes will be photochemically allowed or not.
Q2) Predict the product/s suggesting suitable mechanism for any two: [8]
a)
b)
c)
P.T.O.
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115/179
Q3) Write Notes on any two: [8]
a) Jablonski diagram.
b) Photochemical synthesis of Isocomene.
c) Nazarov cyclisation.
SECTION - II
Q4) Explain any three of the following: [9]
a) Pyrrole-2- carbaldehyde does not respond to Tollens reagent.
b) The electrophilic attack on Pyrazole is hindered in acidic medium.
c) Acrotein itself is not used in the skraup synthesis of quinoline.
d) Pyrimidine is weak base (pKa = 1.3) as compared to pyridine (pKa =5.2) and imdidazole (pKa = 7.2).
Q5) Predict the product/s suggesting suitable mechanism for any two: [8]
[4823]-313 2
a)
b)
c)
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[4823]-313 3
Q6) a) Complete the following sequence of reactions for any two: [4]
b) Write notes on any two: [4]i) The Gabriel synthesis.
ii) The First-Benary synthesis.
iii) The Friadlander synthesis.
i)
ii)
iii)
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117/179
Time : 3
P2175
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
118/179
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7/25/2019 MSC. - Chemistry - 2013
119/179
-
7/25/2019 MSC. - Chemistry - 2013
120/179
P2176
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
121/179
-
7/25/2019 MSC. - Chemistry - 2013
122/179
P2177
SEAT No. :
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7/25/2019 MSC. - Chemistry - 2013
123/179
-
7/25/2019 MSC. - Chemistry - 2013
124/179
-
7/25/2019 MSC. - Chemistry - 2013
125/179
P2178
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
126/179
-
7/25/2019 MSC. - Chemistry - 2013
127/179
-
7/25/2019 MSC. - Chemistry - 2013
128/179
P2179
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
129/179
-
7/25/2019 MSC. - Chemistry - 2013
130/179
-
7/25/2019 MSC. - Chemistry - 2013
131/179
-
7/25/2019 MSC. - Chemistry - 2013
132/179
P2180
SEAT No. :
e
n
-
7/25/2019 MSC. - Chemistry - 2013
133/179
-
7/25/2019 MSC. - Chemistry - 2013
134/179
2 2Fe Fe e+ +
1
2 =
0
ii
-
7/25/2019 MSC. - Chemistry - 2013
135/179
P2181
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
136/179
-
7/25/2019 MSC. - Chemistry - 2013
137/179
-
7/25/2019 MSC. - Chemistry - 2013
138/179
P2182
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
139/179
-
7/25/2019 MSC. - Chemistry - 2013
140/179
nM wM
-
7/25/2019 MSC. - Chemistry - 2013
141/179
P2183
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
142/179
-
7/25/2019 MSC. - Chemistry - 2013
143/179
-
7/25/2019 MSC. - Chemistry - 2013
144/179
P2184
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
145/179
-
7/25/2019 MSC. - Chemistry - 2013
146/179
P2185
SEAT No. :
dc
J Ddx =
-
7/25/2019 MSC. - Chemistry - 2013
147/179
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7/25/2019 MSC. - Chemistry - 2013
148/179
P2186
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
149/179
-
7/25/2019 MSC. - Chemistry - 2013
150/179
P2187
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
151/179
-
7/25/2019 MSC. - Chemistry - 2013
152/179
-
7/25/2019 MSC. - Chemistry - 2013
153/179
P2188
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
154/179
-
7/25/2019 MSC. - Chemistry - 2013
155/179
-
7/25/2019 MSC. - Chemistry - 2013
156/179
-
7/25/2019 MSC. - Chemistry - 2013
157/179
P2189
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
158/179
-
7/25/2019 MSC. - Chemistry - 2013
159/179
-
7/25/2019 MSC. - Chemistry - 2013
160/179
-
7/25/2019 MSC. - Chemistry - 2013
161/179
P2190
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
162/179
+2
i) HCNii) H O/H A
2
4
i ) H O / ii) NaBH B
+
4
i) Acetone/ Hii) Pb(OAC) A 4
i) NaBHii) TSCl/Pyridimeiii) H
B
-
7/25/2019 MSC. - Chemistry - 2013
163/179
-
7/25/2019 MSC. - Chemistry - 2013
164/179
P2191
SEAT No. :
RCO
-
7/25/2019 MSC. - Chemistry - 2013
165/179
-
7/25/2019 MSC. - Chemistry - 2013
166/179
-
7/25/2019 MSC. - Chemistry - 2013
167/179
-
7/25/2019 MSC. - Chemistry - 2013
168/179
P2192
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
169/179
-
7/25/2019 MSC. - Chemistry - 2013
170/179
-
7/25/2019 MSC. - Chemistry - 2013
171/179
P2193
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
172/179
-
7/25/2019 MSC. - Chemistry - 2013
173/179
1 2
-
7/25/2019 MSC. - Chemistry - 2013
174/179
P2194
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
175/179
-
7/25/2019 MSC. - Chemistry - 2013
176/179
nM
-
7/25/2019 MSC. - Chemistry - 2013
177/179
P2195
SEAT No. :
-
7/25/2019 MSC. - Chemistry - 2013
178/179
-
7/25/2019 MSC. - Chemistry - 2013
179/179