Diazonium salts form phenylhydrazines when reduced with
zinc and hydrochloric acid
(ii) stannous chloride and hydrochloric acid
(iii) sodium sulphite .

Options

A. (i),(ii),(iii)
B. (ii),(iii)
C. (i),(ii)
D. (i),(ii)

Answer

B

Explanation

`The reduction with sodium sulphite is carried out commercially if vigorous reducing agent agents like zinc and hydrochloric acid are used then the product is an aromatic amine
`ArN_(2)^(+)Cr^(-) overset (Zn//HCI)rarr[ArNHNH_(2)]overset(ZnHC)rarrArNH_(2)+NH_(3)` .