Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following undergoes nucleophilic substitution exclusively by 
mechanism?
Text Solution
Verified by ExpertsThe correct answer is:
D
reactions involve the formation of carbocation, more is stability of carbocation, higher will be the probability of alkyl halide to undergo 
mechanism. Thus decreasing order of 
mechanisms follows order Benzyl 
allyl 
tertiary alkyl halide 
secondary alkyl halide 
primary alkyl halides
Obtained from 
path. This molecule is resonance stabilised.
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