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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…

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