he stability of the free radicals allyl, benzyl, 3 ∘ , 2 ∘ , 1 ∘ and CH 3 is in the order

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he stability of the free radicals allyl, benzyl, $3^{\circ}, 2^{\circ}, 1^{\circ}$ and $CH_{3}$ is in the order

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Benzyl, allyl are stabilized by resonance and 3º, 2º, 1º are stabilized by hyperconjugation and +I effect. The combined effect of three methyl groups of 3° carbocation marginally exceeds the resonance effect of benzene in benzyl carbocation.

Stream:JEESubject:ChemistryTopic:GOCSubtopic:Miscellaneous/Mixed

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