Why does p-nitrochlorobenzene undergo displacement reactions readily with attack of nucleophilic HOΘ ion? - Chemistry

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Why does p-nitrochlorobenzene undergo displacement reactions readily with attack of nucleophilic HOΘ ion?

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Solution

Aryl halides undergo nucleophillic displacement reactions readily when a strong electron withdrawing group like –NO2 is present at ortho or para positions. When p-nitrochlorobenzene reacts with alkali, p-nitrophenol is obtained when –NO2 group at para position with respect to halogen, then mechanism of reaction is as follows.

Concept: Haloarenes - Nucleophilic Substitution
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2012-2013 (March)

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