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Chlorine water is a mixture of hydrochloric acid(HCl-colourless) and hypochlorous acid(HOCl-pale yellow).
The pale yellow solution turned colourless because the hypochlorous acid(chloric (I) acid)-HOCl- dissociates on exposure to sunlight into HCl and Oxygen gas.
A colourless gas was produced- Oxygen
Chiry answered the question on November 8, 2017 at 16:42
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