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प्रश्न
What do you observe when Ammonia solution is added drop by drop and then in excess to aqueous copper sulphate solution.
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उत्तर
Initially when ammonium solution is added to aqueous solution of
copper sulphate a bluish precipi tate of copper hydroxide is obtained
which dissolves in excess of ammonium hydroxide.
\[\ce{CuSO4 + 2NH4OH -> (NH4)2SO4 + Cu(OH)2}\]
\[\ce{Cu(OH)2 + (NH4)2SO4 + 2NH4OH -> (Cu(NH3)4)SO4 + 4H2O}\]
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संबंधित प्रश्न
Is ammonia more dense or less dense than air?
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Describe two tests to identify ammonia and ammonium ions in an aqueous solution.
Identify the substance underlined, in the following case:
Cation that does not form a precipitate with ammonium hydroxide but forms one with sodium hydroxide.
State one relevant observation of burning of ammonia in air.
The diagram shows an experimental set up for the laboratory preparation of a pungent smelling gas. The gas is alkaline in nature.

- Nature the gas collected in the jar.
- Write the balance equation for the above preparation.
- How is the gas being collected?
- Name the drying agent used.
- How will you find that the jar is full of gas?
What do you observe when Ammonia in excess is mixed with chlorine.
Differentiate between:
Aqueous ferrous and ferric sulphate solution
Write an equation to illustrate the reducing nature of ammonia.
Identify the terms for the following:
The experiment which demonstrates high solubility of ammonia gas.
