Question

A gas ‘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 bleaching powder which is used as a bleaching agent in chemical industry. 

Hence, the species X is Chlorine gas and the species Y is Bleaching powder with formula -CaOCl₂. 

The chemical equation of the reactions involved is: - 

Ca(OH)₂ + Cl₂→ CaOCl₂ + H₂O