Question

The reaction `Aroverset(+)(N_(2))Cl overset(Cu//HCl)to ArCl+N_(2)+CuCl` is named as….
A. Sandmeyer reaction
B. Gattermann reaction
C. Claisen reaction
D. Carbylamine reaction

Answer 1

Correct Answer - B

This reaction is called Gattermann reaction. In this reaction, Cl, Br and CN can be introduced into the benzene ring by simply treating diazonium salts with HCl, HBr, KCN. Respectively in presnce of copper powder instead of using Cu(I) salts.