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Q. Sodium carbonate, which is one of the most important products of the chemical industry, is prepared by the Solvay process based on the interaction of sodium chloride with ammonia and carbon dioxide. The reaction yields

NTA AbhyasNTA Abhyas 2022

Solution:

$NH_{3}+H_{2}O+CO_{2} \rightarrow NH_{4}HCO_{3}$
$Na^{+}+Cl^{-}+NH_{4}^{+}+HCO_{3}^{-} \rightarrow \underset{p p t .}{N a H C O_{3}}+NH_{4}^{+}+Cl^{-}$
$2NaHCO_{3}\xrightarrow{\Delta } Na_{2}CO_{3}+CO_{2}+H_{2}O$