Question

A gas a ' X' reacts with lime water and forms a compound Y which is used as a bleaching agent in chemical industry. Identify X and Y .Give the chemical equation of the reactions involved.

Answer 1

Chlorine gas reacts with lime water to form calcium oxychloride that is bleaching powder. The chemical reaction is as follows -

2Ca(OH)2 + 2Cl2 → Ca(OCl)2 + CaCl2 + 2H2O

X= Cl2

Y=Ca(OCl)2

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