Chlorine acts as bleaching agent only in the presence of

Options

(a) sunlight
(b) moisture
(c) dry air
(d) pure oxygen

Correct Answer:

moisture

Explanation:

In presence of moisture, chlorine acts as oxidising agent and a bleaching agent. Cl₂ + H₂O → HCl + HClO, HClO → HCl + O, Coloured matter + [O] → colourless matter.