Compounds Containing Nitrogen

Aniline undergoes reactions with reagents given in the order shown

(i) Aqueous \(\mathrm{Br}_2\)

(ii) \(\mathrm{NaNO}_2 / \mathrm{HCl} / 0^0 \mathrm{C}\)

(iii) Hypophosphorous acid

What is the product formed at the end of these reactions?