Solved: Chemistry Question for NEET

NEET ChemistryMedium

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of ?

$-I$ effect of $-CH_3$ groups

$+R$ effect of $-CH_3$ groups

$-R$ effect of $-CH_3$ groups

Hyperconjugation

Step-by-Step Solution

More the number of $\alpha-H$ atoms, more will be the hyperconjugation effect hence more will be the stability of carbocation. Tertiary butyl carbocation has 9 $\alpha-H$ atoms while secondary butyl carbocation has 5 $\alpha-H$ atoms.

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