Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Following are the four molecules "P", "Q", "R" and "S".
Which one among the four molecules will react with 
at the fastest rate ?
A
S
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Addition of 
to alkene follows electrophilic addition mechanism. In the rate determining step a carbocation intermediate is formed. Among P, Q, 
& 
compound 
will form most stable carbocation intermediate since it is resonance stabilized.
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