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When chlorine water is exposed to sunlight, the colour change that occurs is

When chlorine water is exposed to sunlight, the colour change that occurs is

Options

(a) colourless to brown
(b) brown to colourless
(c) light blue to colourless
(d) greenish yellow to colourless

Correct Answer:

greenish yellow to colourless

Explanation:

The colour of halogen is due to the fact that their molecules absorbs radiation from visible light and the outer electrons are easily excited to higher energy level.When chlorine water is exposed to sunlight its colour changes from greenish yellow to colourless.

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