If chlorine is bubbled into water and the resulting yellowish-green solution is exposed to bright...

JAMB 2007

If chlorine is bubbled into water and the resulting yellowish-green solution is exposed to bright sunlight for a while, the solution will decompose giving out

A. oxygen and leaving behind aqueous hydrochloric acid
B. chlorine and oxygen
C. oxygen, hydrogen and chlorine
D. oxygen, thereby producing hypochlorous acid

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Correct Answer: Option A

Explanation

When chlorine reacts with water in the presence of sunlight, it produces oxygen gas and hydrochloric acid as the primary products; essentially, the sunlight breaks down the chlorine in water, liberating oxygen gas.

2Cl\(_2\) + 2H\(_2\)O → 4HCl + O\(_2\)

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