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Which among the following free radicals ...

Which among the following free radicals is most stable

A

B

C

`overset(cdot)CH_(3)`

D

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The correct Answer is:
A
Among the given free radicals , allyl free radical is stablised by resonance , hence is more stable.

(`i^(@)` allyl free radicals)
both are allyl free radicals but the former is more stable due to hyperconjugation.
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