NEET Chemistry The s-Block Elements Questions Solved


In the Solvay process of manufacture of sodium carbonate, the raw materials used are :

(A) Aqueous NaOH, NH3 and CO2

(B) Molten NaOH, NH3 and CO

(C) Brine NaCl, NH3 and CO

(D) Brine NaCl, NH3 and CO2

(D). The chemical reactions involved in Solvay process are as below :

NH3+CO2+H2ONH4HCO3

NH4HCO3+NaCl30°CNaHCO3+NH4Cl

2NaHCO3used again250°CNa2CO3+H2O+CO2;

2NH4Clused again+CaOH2CaCl2slaked lime+2H2O+2NH3

Difficulty Level:

  • 26%
  • 8%
  • 7%
  • 61%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 25, 2019)