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Which of the following carbocations is t...

Which of the following carbocations is the least stable ?

A

B

`CH_(2)=CH^(+)`

C

`CH_(2)=CH-overset(+)CH_(2)`

D

`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C^(+))`

Text Solution

Verified by Experts

The correct Answer is:
B
Carbocations A and C can show resonance. Carbocation D is stable due to + I effect of the three methyl groups.
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