Find A, B and C in the following reactions NH3+A+CO2→(NH4)CO3 (NH4)2CO3+B→CaCO3↓+2NH4Cl NH4HCO3+NaCl→NH4Cl+C
A
A−H2O;B−CaCl2;C−NaHCO3
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B
A−H2O;B−O2;C−Na2CO3
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C
A−H2O;B−O2;C−NaHCO3
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D
A−O2;B−CO2;C−Na2CO3
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Solution
The correct option is A
A−H2O;B−CaCl2;C−NaHCO3
The raw materials used in solvay's process are: NaCl,NH3, and CaCO3
The following reaction is solvay's process took place: 2NH3+CO2+H2O→(NH4)2CO3(NH4)2CO3+CaCl2→CaCO3↓+2NH4ClNH3+CO2+H2O→NH4HCO3NH4HCO3+NaCl30oC⟶NaHCO3+NH4Cl
Calcination to get sodium carbonate 2NaHCO3→Na2CO3+H2O+CO2