Chemistry, asked by kunalmk2005, 8 months ago

Why is Phosphorus pentoxide not used in the laboratory preparation of ammonia?

Answers

Answered by asthajain26

Answer:

Ammonia is dried by passing it over quick lime because it is a basic gas. Ammonia cannot be dried by conc. sulphuric acid or phosphorus pentaoxide as they will form ammonium sulphate or ammonium phosphate with it. Hence , the product that we want i.e., ammonia can't be formed.

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