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Ammonia cannot be dried over anhydrous calcium chloride. Why? |
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Answer» Solution :When water is ABSORBED by calcium chloride, it undergoes HYDROLYSIS to GIVE HYDROCHLORIC acid. `CaCl_(2)+2H_(2)O to Ca(OH)_(2)+2HCl` Sinceammonia is basic, it is neutralisedby HCl to give salt. `NH_(3)+HCl to NH_(4)Cl`. Hence ammonia is dried over a basic oxide, quick lime. |
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