Yellow colour of Chlorine water fades because of?

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Form HCl and HOCl

Chlorine gas escapes

answer is A.

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Detailed Solution

Concept- In essence, chlorine is a chemical element with a yellowish colour. It is a highly reactive element and an effective oxidizer. Chlorine water is a solution created when chlorine is added to water and dissolves. Chlorine water has a yellow colour due to the presence of chlorine.
Consider the reaction of chlorine dissolving in water to form chlorine water;
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In the first step, hypochlorous acid and hydrochloric acid are produced. This hypochlorous acid again dissociates into hydrochloric acid and nascent oxygen. This unstable and active nascent oxygen is responsible for the bleaching action, thus the yellow colour fades.
Therefore due to the formation of HCl and HOCl, the yellow colour of chlorine water fades.
Hence, the correct answer is option 1.

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