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Question

Which of the following halides undergoes nucleophilic substitution most readily?

A
pH3CC6H4Cl
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B
OMeOC6H4Cl
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C
pClC6H4Cl
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D
C6H5CH(Cl)CH3
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Solution

The correct option is D C6H5CH(Cl)CH3
C6H5CH(Cl)CH3 undergoes nucleophilic substitution most readily as Cl is attached to aliphatic C atom.

In pH3CC6H4Cl,OMeOC6H4Cl,pClC6H4Cl, Cl is attached to aromatic carbon atom. The nucleophilic substitution of aryl chlorides requires drastic conditions.

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