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Question
Chemistry
Which one of the following alkenes does not exhibit geometric isomerism?
Q. Which one of the following alkenes does not exhibit geometric isomerism?
3206
195
Organic Chemistry – Some Basic Principles and Techniques
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A
C
4
H
8
4%
B
C
3
H
6
85%
C
C
5
H
10
4%
D
C
8
H
16
6%
Solution:
The main conditions for exhibiting geometrical isomers are
(i) Presence of different groups on same double bonded carbon.
(ii) Restricted rotation
∴
C
3
H
6
(
C
H
3
−
C
H
=
C
H
2
)
does not exhibit geometric
isomerism due to presence of same group on double bonded carbon atom
(
C
1
)
.