Question

Give the reason for bleaching action of cl2.

Answer 1

When chlorine reacts with water, it produces nascent oxygen. This nascent oxygen then combines with the coloured substances present in the organic matter to oxide them into colourless substances.



Answer 2

Hey !!

In presence of moisture or in aqueous solution, Cl₂ liberates oxygen.

            Cl₂ + H₂O ----> 2HCl + O ( Nascent oxygen )

This nascent oxygen brings about the oxidation of coloured substances present in vegetable and organic matter to colourless substances.

        Coloured substance + O -----> Colourless substance

Thus, bleaching action of Cl₂ is due to oxidation.

Hope it helps you !!