CBSE Class 12 Chemistry 2022 Term 1 Paper

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Question : 47
Total: 55
Assertion (A): Chlorobenzene is less reactive towards nucleophilic substitution reaction.
Reason (R): Nitro group in chlorobenzene increases its reactivity towards nucleophilic substitution reaction.
Solution:  
Presence of nitro group on ortho or para position in the ring makes the ring more electron deficient and activated towards nucleophilic substitution reaction as compared to chlorobenzene.
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