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WBJEE 2018 Chemistry Solved Paper
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© examsnet.com
Question : 34
Total: 40
The number of possible organobromine compounds which can be obtained in the allylic bromination of1–butene with N–bromosuccinimide is
1
2
3
4
Validate
Solution:
C
H
2
=
C
H
−
C
H
2
−
C
H
3
N
B
S
→
C
H
2
=
C
H
−
●
C
H
−
C
H
3
↔
●
C
H
2
−
C
H
=
C
H
−
C
H
3
↓
↓
C
H
2
=
C
H
–
●
C
H
–
C
H
3
C
H
2
–
C
H
●
=
C
H
–
C
H
3
∣
∣
B
r
(
±
)
B
r
c
i
s
+
t
r
a
n
s
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