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Give the reason for the bleaching action of Cl_(2) |
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Answer» Solution :In presencee of moisture or in aqueous solution, `Cl_(2)` libertes NASCENT oxygen. `Cl_(2) + H_(2)O rarr 2 HCl underset("Nascent oxygen")([O])` This nascent oxygen BRINGS about the oxidation of coloured substances PRESENT in vegetable and organic matter to colourless substances. Coloured SUBSTANCE + O `rarr` Colourless substance Thus, the bleaching action of `Cl_(2)` is due to oxidation. Since the bleaching effect of `Cl_(2)` is permanent, it is used to bleach cotton and textiles and WOOD pulp for manufacture of paper and rayon. |
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