Question

What is the name of A ?
[1 Mark]

• A. Anilinium hydrogen chloride
• B. Benzenediazonium chloride
• C. Benzene
• D. Chlorobenzene

Answer 1

The correct option is B Benzenediazonium chloride

When an aromatic primary amine is treated with nitrous $(NaN{O}_2+HCl)$ acid at $273–278K,$ diazonium salt is obtained. Upon warming with water, the diazonium salt finally hydrolyzes to phenol.