Aromatic nitriles (ArCN) are not prepared by reaction
  • A
    ArX+KCN
  • B
    $${ ArN }_{ 2 }^{ + }+CuCN$$
  • C
    $${ ArCONH }_{ 2 }+{ P }_{ 2 }{ O }_{ 5 }$$
  • D
    $${ ArCONH }_{ 2+ }{ SOCl }_{ 2 }$$

Solution