1.

Give the reason for bleaching action of Cl_2

Answer»

Solution :In PRESENCE of moisture or in aqueous solution, `Cl_2` liberates nascent oxygen.
`Cl_2 + H_2O to 2HCl + UNDERSET("Nascent oxygen")([O])`
This nascent oxygen brings about the oxidation of coloured substances PRESENT in vegetable and organic matter to convert them to colourless substances.
Coloured SUBSTANCE + O ` to` Colourless substance
Thus, the bleaching action of `Cl_2` is due to oxidation.


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