Question

What is the action of the following reagents on ammonia: a) Nesslers reagent

Answer 1

When Ammonia is passed over Nesseler's reagent (K2HgI4 or potassium mercury iodide), then the reagent turns pale brown...on passage of excess ammonia, a brown precipitate is obtained

Answer 2

Answer:

With Nessler's reagent ( an alkaline solution of K2Hgl4 ) ammonia and ammonium salts give brown precipitate due to formulation of Million's base.