1.

Aryl halides do not undergo nucleophilic substitution reactions under ordinary conditions because: (1). Approach of nucleophile is retarded (2). Carbon carrying halogen atom is sp^(3) hybridised. (3). The substrate molecule is destabilised due to resonance (4). of partial double bond character between carbon and halogen.

Answer»

2 and 3 only
1 and 4 only
2 and 3 only
2,3 and 4 only.

Solution :Both these explanation are correct.


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