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Question

Which one of the following reactions does not occur during the Solvay's process for the manufacture of Na2CO3?

A
NH3+H2O+CO2NH4HCO3
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B
2NaHCO3ΔNa2CO3+CO2+H2O
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C
NaCl+CaCO3Na2CO3+CaCl2
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D
2NH4Cl+Ca(OH)22NH3+CaCl2+2H2O
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Solution

The correct option is A NaCl+CaCO3Na2CO3+CaCl2
The following reactions occur during the Solvay's process for the manufacture of Na2CO3.
(A) NH3+H2O+CO2NH4HCO3
(B) 2NaHCO3ΔNa2CO3+CO2+H2O
(D) 2NH4Cl+Ca(OH)22NH3+CaCl2+2H2O
The following reaction does not occur during the Solvay's process for the manufacture of Na2CO3.
(C) NaCl+CaCO3Na2CO3+CaCl2
Ammonia soda process (Solvay's process) is the process for the preparation of sodium carbonate. The raw materials used are NaCl, NH3 and CO2.

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