NEET Chemistry · Medium

Organic Chemistry: Some Basic Principles and Techniques: Radicals MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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RadicalsMediumQuestion 32010

Question

Order of free-radical stability is generally:

  1. A
    3^\circ > 2^\circ > 1^\circ > methyl
    Correct
  2. B
    methyl > 1^\circ > 2^\circ > 3^\circ
  3. C
    all equal
  4. D
    1^\circ > 3^\circ

Correct answer

3^\circ > 2^\circ > 1^\circ > methyl

Explanation

Hyperconjugation stabilizes alkyl radicals too.