Question

In one of the industrial processes used for manufacture of sodium hydroxide, a gas X is formed as by-product. The gas X reacts with lime water to give a compound Y which is used as a bleaching agent in chemical industry, Identify X and Y giving the chemical equation of the reactions involved.

Answer 1

In the manufacture of sodium hydroxide, hydrogen gas and chlorine gas (X)are formed as by-products. when chlorine gas (X) reacts with lime water, it forms calcium oxychloride (bleaching powder) Y. The reactions are