Q14 / 75 · JEE Main 2025 (3 Apr Shift 2) · Chemistry

Given below are two statements:
Statement I : Hyperconjugation is not a permanent effect.
Statement II : In general, greater the number of alkyl groups attached to a positively charged C -atom, greater is the hyperconjugation interaction and stabilization of the cation.
In the light of the above statements, choose the correct answer from the options given below

  • A
    Statement I is true but Statement II is false
  • B
    Both Statement I and Statement II are false
  • Correct answer
    C
    Statement I is false but Statement II is true
  • D
    Both Statement I and Statement II are true

Solution

Hyper conjugation is permanent effect because external reagent is not required, so Statement-I is false and Statement-II is true. because moore alkyl group, more $\alpha-H$, so more hyperconjugation which results more stability of carbocation.

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

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