Question

What is the role of HNO3 In asscay of ammonium chloride ?​

Answer 1

Answer:

Ammonium chloride is assayed by indirect assay method. The sample is dissolved in water and treated with previously neutralised formaldehyde solution. (Methyleneimine is formed which polymerises to form Hexamine). This results in the quantitative liberation of HCl equivalent to NH4Cl.

Explanation:

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Answer 2

Answer:

Assay of Ammonium Chloride: The Assay of Ammonium Chloride is a type of acid-base titration. When Ammonium Chloride reacts with Formaldehyde, HCl is liberated. The liberated HCl can neutralize by using a Standard base like NaOH.

Explanation:

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