question_answer

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?                                                                                                                                   [NEET 2020]

A) + R effect of - groups

B) - R effect of -  groups

C) Hyperconjugation

D) - I effect of -  groups

Correct Answer: C

Solution :

[c]

More the number of atoms, more will be the hyperconjugation effect hence more will be the stability of carbocation.