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Identify the following compound which e...

Identify the following compound which exhibits geometrical isomerism:

A

But - 2 - ene

B

But - 1 - ene

C

Butane

D

Iso - butane

Text Solution

Verified by Experts

The correct Answer is:
A
The necessary and sufficient condition of a compound to exhibit geometrical isomerism is that the two groups attached to the same carbon must be different , i,e ., alkenes of the following types show cis-trans isomerism .
abC = Cab , abC = Ccd , abC = Cax , abC = Cbx
Thus, out of the given examples , only but - 2- ene exhibits geometrical isomerism.
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