Study of Compounds

Hydrogen Chloride

• In laboratory, hydrogen chloride gas is prepared by heating sodium chloride with concentrated sulphuric acid.

• It is also prepared by burning hydrogen gas in the atmosphere of chlorine gas or by exposing hydrogen gas and chlorine gas to diffused sunlight.

• It is colourless and pungent-smelling with sour taste and a very irritating odour.

• It is extremely soluble in water.

• Hydrogen chloride is neither combustible nor does it support combustion.

• On heating at above 500°C, it dissociates into hydrogen and chlorine.

• On mixing with ammonia gas, it forms dense white fumes due to formation of ammonium c…