Question

Write Coupling Rxn

Tell with reaction ​

Answer 1

Ans= Reactions involving retention of Diazo group are coupling reaction. Arenediazonium salts reacts with highly reactive aromatic compounds such as phenols and amines to form brightly coloured azo compounds, Ar-N=N-Ar. The azo products have extended conjugate system having both the aromatic rings joined by N=N bonds.