Question

what will be the function of calcium chloride during preparation of hcl gas. give equation to prepare hcl gas. ​

Answer 1

Answer:

On a humid day,

H

2

+Cl

2

CaCl

2

2HCl

Calcium chloride is used as an absorbent in the guard tube while hydrogen chloride is being formed on a humid day as it can absorb the moisture present in the air. HCl corrosively reacts with water leading to the formation of hydrochloric acid as it is strongly acidic in nature. It gives out white fumes on reacting with moisture.