In the synthesis of sodium carbonate, the recovery of ammonia is done by treating NH4Cl with Ca(OH)2. The by-product obtained in this process is
(i) CaCl2
(ii) NaCl
(iii) NaOH
(iv) NaHCO3
In the synthesis of sodium carbonate, the recovery of ammonia is done by treating NH4Cl with Ca(OH)2. The by-product obtained in this process is
(i) CaCl2
(ii) NaCl
(iii) NaOH
(iv) NaHCO3
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1 Answer
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This is a multiple choice type question as classified in NCERT Exemplar
Correct option (i)
Sodium carbonate is prepared by Solvay's process. In this process, ammonia is recovered when ammonium chloride reacts with calcium hydroxide. On reacting NH4Cl with Ca (OH)2 calcium chloride is obtained as a by-product. The reaction is given below.
2NH4Cl+Ca (OH)2→2NH3+CaCl2+H2O
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