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Haloalkanes — Easy JEE chemistry MCQ

Which of the following undergoes SN1 reaction fastest?
  1. A. $(CH_3)_3CBr$
  2. B. $CH_3CH_2Br$
  3. C. $CH_3Br$
  4. D. $(CH_3)_2CHBr$

Solution

SN1 rate depends on carbocation stability. Tertiary carbocations are most stable. $(CH_3)_3CBr$ forms the most stable $3°$ carbocation, so it undergoes SN1 fastest.

CHEMISTRY

easy • PYQ Reworded
Question
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Which of the following undergoes SN1 reaction fastest?
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Haloalkanes — Easy JEE Chemistry MCQ | MyGoalPrep