JEE Main 2015 Chemistry question

Chlorine water on standing loses its color and forms:

(1)HOCl and
(2)HCl only
(3)HCl and
(4)HCl and HOClCorrect

Answer: (4)

Solution

When chlorine dissolves in water it disproportionates: , chlorine going to in HCl and in hypochlorous acid. Freshly prepared chlorine water is greenish-yellow because dissolved remains; on standing in light the

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Question ID VK-115364