explain why the bleaching action of chlorine is permanent while the bleaching action of sulphur[iv] oxide is temporary
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Explanation: Bleaching action of chlorine is based on oxidation while that of sulphur is based on reduction. Chlorine acts with water to produce nascent oxygen. This oxygen combines with colourd substance and makes it colourless. ... Sulphur dioxide removes oxygen from the coloured substance and makes it colourless.
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Explanation:
Bleaching by SO2 is permanent due to the process of reduction in the presence of moisture.Bleaching by Cl2 is temporary due to the process of oxidation in the presence of moisture.
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