What are the changes that occur when chlorine water is exposed to sunlight?

It becomes colourless.

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It releases Oxygen.

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Hydrochloric acid is formed.

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Yellow Solution turns into brown colour.

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Solution

The correct options are
A
It becomes colourless.

B
It releases Oxygen.

C
Hydrochloric acid is formed.

If chlorine water is exposed to sunlight, bubbles of oxygen gas evolve and the solution becomes colorless.

$C l_{2} + H_{2} O \to H C l + H C l O$

$2 H C l O \to 2 H C l + O_{2}$

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