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Which of the following undergoes SN1 reaction fastest?

JEE Advanced 2026 — Chemistry Organic Chemistry

2026mcqmedium

Which of the following undergoes SN1 reaction fastest?

Official previous-year question

Verified 30 May 2026.

Options

  1. A

    CH₃Cl

  2. B

    (CH₃)₂CHCl

  3. C

    (CH₃)₃CCl

  4. D

    C₂H₅Cl

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