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Question

Complete and balance the following:
(i) NaCl+NH3+H2O+CO2
(ii) Ca(OH)2+Cl2
Also write the name of the main product?

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Solution

(i) Solvay or ammonia soda process to manufcture sodium carbonate.
NaCl+NH3+H2O+CO230oC−−NaHCO3 sodium hydrogen carbonate NH4Cl
2NaHCO3 sodium hydrogen carbonate 250oC−−Na2CO3 sodium carbonate +H2O+CO2
The main product is sodium carbonate.
(ii) 3Ca(OH)2 slaked lime +2Cl2<35oC−−−Ca(OCl)2CaCl2Ca(OH)2H2O Bleaching powder +H2O
The main product is bleaching powder.

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