Aryl halides do not undergo nucleophilic substitution reactions under ordinary conditions because: (1). Approach of nucleophile is retarded (2). Carbo
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.
A. 2 and 3 only
B. 1 and 4 only
C. 2 and 3 only
D. 2,3 and 4 only.
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