Nitrogen Containing CompoundHard

Question

Aromatic nitric (ArCN) are not prepared by reaction :

Options

A.ArX + KCN
B.ArN2+ + CuCn
C.ArCONH2 + P2O5
D.ArCONH2 + SOCl2

Solution

Aryl halide (ArX) does not undergo nucleophilidc subsitution because they have strongC - X bond due to resonance

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