Q. 364.6( 5 Votes )

What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide? Write the chemical equation of the reaction which takes place.

Answer :

Baking soda is obtained by the reaction of cold and concentrated solution of sodium chloride with carbon dioxide and ammonia. This is known as Solvay process. NaCl + CO2 + NH3 + H2O NH4Cl + NaHCO3 In this process, calcium carbonate is used as the source of CO2 and the resultant calcium oxide is used to recover ammonia from ammonium chloride.


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