7.29 Give the reason for bleaching action of CI_{2}.

Answers (1)

Chlorine is a powerful bleaching agent and its bleaching action happens due to oxidation.

Cl_{2}\:+\:H_{2}O\rightarrow 2HCl + \left [ O \right ]

Chlorine + Water  \rightarrow  Hydrochloric acid + nascent Oxygen

Coloured substance + nascent Oxygen\left [ O \right ]  \rightarrowColourless substance

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