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Chapter - 10 s-Block Elements Class 11 Chemisrty

Discuss the various reactions involved in the Solvay process

ByDr. Vikas Jasrotia

Jun 21, 2022

 

Que. Discuss the various reactions involved in the Solvay process.
Ans. In the Solvay process.
When carbon dioxide is passed through a concentrated solution of brine saturated with NH3, NaHCO3 gets precipitated. NaHCO3 on subsequent heating gives Na2CO3.
NaCl + NH3 + CO2 + H2O → NaHCO3 + NH4Cl
2 NaHCO3 → Na2CO3 + CO2 + H2O
CO2 needed for the reaction is prepared by heating calcium carbonate and the quick lime, CaO is dissolved in water to form slaked lime, Ca(OH)2
CaCO3 → CaO + CO2
CaO + H2O → Ca(OH)2
NH3 needed for the purpose is prepared by heating NH4Cl and Ca(OH)2
2 NH4Cl + Ca(OH)2 → 2 NH3 + CaCl2 + H2O

By Dr. Vikas Jasrotia

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Chapter - 10 s-Block Elements Class 11 Chemisrty

Discuss the various reactions involved in the Solvay process

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