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प्रश्न
Give the reason for bleaching action of Cl2.
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उत्तर
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.
`Cl_2 + H_2O -> 2HCl + [O]`
Coloured substances + [O] → Oxidized colourless substance
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