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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?
Name a metallic chloride soluble in ammonium hydroxide.
When an ammonium salt is warmed with a sodium hydroxide solution, a gas is evolved. State three ways in which you can identify this gas.
List the properties of ammonia that make it
(i) A good refrigerant
(ii) A cleaning agent
(iii) As a source of hydrogen
Identify the substance underlined, in the following case:
A solid formed by reaction of two gaes, one of which is acidic and the other basic in nature.
What do you observe when Ammonia in excess is mixed with chlorine.
Differentiate between:
Aqueous ferrous and ferric sulphate solution
State a relevant reason for the following:
Ammonia gas is not collected over water.
