(a) Write a balanced chemical equation for the lab preparation of ammonia.
(a) Write a balanced chemical equation for the lab preparation of ammonia.
(b) How is ammonia dried and collected in the laboratory?
(c) Ammonia cannot be collected over water. Give reason.
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(a) Lab preparation of ammonia:
2NH4Cl + Ca(OH)2 → CaCl2 + 2H2O + 2NH3
(b) The ammonia gas is dried by passing through a drying tower containing lumps of quicklime (CaO).
(c) Ammonia is highly soluble in water and therefore it cannot be collected over water.
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