Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The order of reactivity towards 
reactions of - 
(I), 
(II), 
(III) and 
(IV) Where 
A
I 
II 
III 
IV
II III IV
B
IV 
III 
II 
I
III II I
C
II 
I 
III 
IV
I III IV
D
III 
II 
I 
IV
II I IV
Text Solution
Verified by ExpertsThe correct answer is:
A
More the number of 
-hydrogen present in the alkyl group attached to the benzene ring more pronounced will be the hyperconjugation and the benzene ring will be more electron rich and easily be attacked by an electrophile. 
- hydrogen in 
and 
Respectively are three, two, one and zero respectively.
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