Question

Benzene diazonium chloride reacts with hypophosphorous acid to produce:

• A. phenol
• B. benzene
• C. p-hydroxyazobenzene
• D. benzonitrile

Answer 1

Answer: (B)

benzene

Answer 2

${C6H5N2Cl + H3PO2 + H2O -> C6H6 + N2 + HCl + H3PO3}$