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प्रश्न
What is the action of the following reagents on ammonia :
Nessler's reagent
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उत्तर
With Nessler’s reagent ( an alkaline solution of K2Hgl4 ) ammonia and ammonium salts give brown precipitate due to formulation of Million’s base.
\[\ce{\underset{\text{Nessler's reagent }}{2K2HgI4} + NH3 + 3KOH -> \underset{\text{(Iodide of million’s base)}}{H2N–Hg–O–Hg–I} + 7KI + 2H2O}\]
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