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When a blue litmus is dipped into a solution of hypochlorous acid, It turns red and then gets decolourised. Explain.

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When a blue litmus is dipped into a solution of hypochlorous acid, It turns red and then gets decolourised. Explain.
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Correct Answer - `HOCl` acts as an acid, `HOCltoH^(+) + OCl^(-)`, and thus turns blue litmus to red.It also work as bleaching agent, `HOCItoHCI + [O]`, and the red litmus is decolorized by nascent oxygen.
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