Question

What is/are the important uses of alkali or metal alkali?

(a) Preparation of nitroamines from dinitro compounds

(b) Reduction of nitrophenols

(c) Reduction of nitroanthraquinones

(d) All of the mentioned

The question was posed to me in class test.

My question is taken from Sulfide Reduction topic in portion Amination by Reduction of Unit Processes

Answer 1

The correct choice is (d) All of the mentioned

To explain: The important uses of alkali or metal sulphides are: (1) preparation of nitroamines from dinitro compounds, (2) reduction of nitrophenols (3) reduction of nitroanthraquinones, and (4) preparation of aminoazo compounds from the corresponding nitro derivatives.