Q56 / 180 · NEET 2020 (Phase 1) · Chemistry

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

  • A
    +R effect of –CH3 groups
  • B
    –R effect of –CH3 groups
  • Correct answer
    C
    Hyperconjugation
  • D
    –I effect of –CH3 groups

Solution

The stability of given carbocations can be explained based on the hyperconjugation effect. The more the number of alpha hydrogen, the more is the stability of carbocations.

Figure

Hence, the correct answer is option: 'C'.

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