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Which undergoes nucleophilic substitutio...

Which undergoes nucleophilic substitution most easily-

A

B

C

D

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Verified by Experts

The correct Answer is:
A
Presence of electron - withdrawing group `(-NO_(2))` in o or p - position facilitates nucleophilic substitution reaction of chlorobenzene whereas electron - donating groups `(-CH_(3),OCH_(3))` reduces the reactivity towards nucleophilic substitution.
Hence, the reactivity order of nucleophilic substitution is:
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CHHAYA PUBLICATION-ORGANIC CHEMISTRY : BASIC PRINCIPLES AND TECHNIQUES -ENTRANCE QUESTION BANK
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