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NEET2006ChemistryHaloalkanes and HaloarenesActual

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.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of the assertion
  2. BIf both assertion and reason are true but reason is not the correct explanation of the assertion
  3. CIf assertion is true, but reason is false
  4. DBoth assertion and reason are false statements.

Correct answer

A. If both assertion and reason are true and reason is the correct explanation of the assertion

Step-by-step solution

The C -atom of C - Cl in chloronitrobenzene carries a small +ve charge. Because of the positive charge, attack at this carbon atom by the nucleophile is facilitated.

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