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Consider the following compounds : ...

Consider the following compounds :

Hyperconjugation occurs in

A

III only

B

I and III

C

I only

D

II only

Text Solution

Verified by Experts

The correct Answer is:
C

The carbon atom acting as free radical has an `alpha`-hydrogen in conjugation with the `pi`-electrons of the ring. Therefore, hyperconjugation is shown only by structure (I).
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