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JEE Chemistry · Medium

General Organic Chemistry: Hyperconjugation MCQ

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HyperconjugationMediumQuestion 730007

Question

The stability order of carbocations is:
  1. A
    3° > 2° > 1° > CH₃⁺
    Correct
  2. B
    CH₃⁺ > 1° > 2° > 3°
  3. C
    1° > 2° > 3°
  4. D
    All equal

Correct answer

3° > 2° > 1° > CH₃⁺

Explanation

Stability order due to hyperconjugation and inductive effect: tertiary (3°) > secondary (2°) > primary (1°) > methyl (CH₃⁺). More alkyl groups = more hyperconjugation = more stable.

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