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Assertion : The presence of nitro group facilitates nucleophilic substitution reactions in aryl halides.
Reason : The intermediate carbanion is stabilised due to the presence of nitro group.
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Reason : The intermediate carbanion is stabilised due to the presence of nitro group.
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The correct answer is:
If both assertion and reason are true and reason is the correct explanation of the assertion
The $\mathrm{C}$-atom of $\mathrm{C}-\mathrm{Cl}$ in chloronitrobenzene carries a small +ve charge.
Because of the positive charge, attack at this carbon atom by the nucleophile is facilitated.
Because of the positive charge, attack at this carbon atom by the nucleophile is facilitated.
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