| 1. approach of nucleophile is retarded |
| 2. carbon carrying halogen atoms is\[s{{p}^{3}}-\]hybridised |
| 3. the substrate molecule is destabilised due to resonance |
| 4. partial double bond character between carbon and halogen |
A) 2 and 4 only
B) 1 and 4 only
C) 2 and 3 only
D) 2, 3 and 4 only
E) 1 and 3 only
Correct Answer: B
Solution :
Because of the + R effect of halogen atom, \[CX\] bond of aryl halide has some double bond character, hence it is inert towards nucleophile and approach of nucleophile is retarded.
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