Question

Why aryl halides are less reactive than alkyl halides towards nucleophilic substitution reaction?

Answer 1

Answer:

Content:

In aryl halides,the mechanism of resonance takes place.The lone pair on halogen atom is in conjugation with benzene ring.The sp3 carbon gets converted to sp2 carbon by resonance.In the mechanism, phenyl cation is formed, which is very stable.Hence,it doesn't react with nucleophile readily and are less reactive towards nucleophilic substitution reaction.On the other hand,alkyl halides don't show resonance,so they take part in this reaction.

Answer 2

Answer:

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