NEET Chemistry The s-Block Elements Questions Solved


In manufacture of sodium carbonate from Solvay (or ammonia-soda) process the raw material used is :

(A) NaOH                                             

(B) Na2SO4

(C) NaCl                                               

(D) Na HCO3

(C)

    NH3+CO2+H2O          NH4HCO3NaCl+NH4HCO3            NaHCO3+NH4Cl2NaHCO3     150°C   Na2CO3+CO2+H2O2NH4Cl+CaOH2            2NH3+H2O+CaCl2 by product

Difficulty Level:

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