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Structure of Carbocation

A benzyl carb...

Question

A benzyl carbocation is more stable than a secondary butyl carbocation mainly because of which of the following?

A

- I

effect of phenyl group

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B

Hyperconjugation

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C

+ I

effect of phenyl group

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D

Resonance effect of phenyl group

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Solution

The correct option is D Resonance effect of phenyl group
In benzyl carbocation, the charge is delocalised due to resonance effect hence more stable than secondary butyl carbocation, where charge is delocalised due to hyperconjugation.

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