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NEET 2016 Physics and Chemistry Paper 2
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© examsnet.com
Question : 2
Total: 90
Consider the reaction:
C
H
3
C
H
2
C
H
2
B
r
+
N
a
C
N
→
C
H
3
C
H
2
C
H
2
C
N
+
N
a
B
r
This reaction will be the fastest in :
[NEET 2016 P2]
water
ethanol
methanol
N,N' - dimethylformamide (DMF)
Validate
Solution:
C
H
3
C
H
2
C
H
2
B
r
+
N
a
C
N
→
C
H
3
C
H
2
C
H
2
−
C
N
+
N
a
B
r
This is a
S
N
2
Reaction for which polar aprotic medium is suitable for faster rate of reaction.
© examsnet.com
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