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Which of the following compounds undergo...

Which of the following compounds undergoes mucleophilic substitution reaction most easily?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A

Presence of electron-withdrawing groups (i.e., `NO_(2),CN`, etc.) at o- and p-position w.r.t. Cl activates it towards nucleophilic substitution reactions while presence of electron-donating groups (i.e., `CH_(3),OCH_(3)`, etc.) deactivates it towards nucleophilic substitution reaction. thus, p-nitrochlorobenzene undergoes nucleophilic substitution reaction most easily. thus, option (a) is correct.
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