Which of the following contains amino group

Options

(a) Basic dyes
(b) Acid dyes
(c) Vat dyes
(d) Mordant dyes

Correct Answer:

Basic dyes

Explanation:

These dye are basic due to the presence of -NH₂ group. These are the salts of colour bases with HCl or ZnCl₂. These can dye animal fibres directly and vegetable fibres after these have been mordanted with tannin.