1.

Why are aryl halides less reactive towards nucleophilic substitution reactions than alkyl halides ​

Answer»

why are aryl halides LESS reactive towards nucleophilic substitution reactions than alkyl halides ?

Aryl halides are more stable and less reactive DUE to resonance where the LONE pair of electrons are in conjugation with a pie BOND whereas in alkyl halides the carbon halogen bond is a sigma bond MAKING aryl halides more stable than alkyl halides.

  • So the bond energy between C-Cl increases so reactivity decrease.


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