Question

The free radical which is more stable is

Answer 1

Answer:

Benzylic/allylic radicals are the most stable

Explanation:

• Because of resonance stabilised effect of double bond

• Partial double bond character is introduced

• In alkylic, it follows- 3° > 2°> 1°

1. This is because of the hyper conjugation effect of other groups attached
2. -R groups (-CH3, -C2H5 etc) attached to carbon with free radical produce +R effect, thus stabilizing it.
3. So, a tertiary radical is most easily formed while methyl radical (-CH3) is the least easily formed.

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