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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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संबंधित प्रश्न
Describe the laboratory method of preparation of ammonia
Mention the conditions required to maximise the yield of ammonia.
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In laboratory ammonia is prepared by heating:
Ammonia act as a Lewis base because nitrogen has ____________.
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When ammonia is heated with cupric oxide, a molecule of ammonia will ____________.
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In qualitative analysis when \[\ce{H2S}\] is passed through an aqueous solution of salt acidified with dil. \[\ce{HCl}\], a black precipitate is obtained. On boiling the precipitate with dil. \[\ce{HNO3}\], it forms a solution of blue colour. Addition of excess of aqueous solution of ammonia to this solution gives ______.
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\[\ce{PCl5}\] reacts with finely divided silver on heating and a white silver salt is obtained, which dissolves on adding excess aqueous \[\ce{NH3}\] solution. Write the reactions involved to explain what happens.
What happens when reactions:
Benzylchloride is treated with ammonia followed by the reaction with Chloromethane.
