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प्रश्न
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is ______.
पर्याय
Fe(OH)2
Cu(OH)2
Ca(OH)2
Fe(OH)3
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उत्तर
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is Cu(OH)2.
Explanation:
The pale blue Cu(OH)2 precipitate dissolves in excess of ammonium hydroxide derived from tetraamine copper sulphate.
\[\ce{Cu(OH)2 + (NH4)2SO4 + 2NH4OH -> [Cu(NH3)4]SO4 + 4H2O}\]
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संबंधित प्रश्न
State the conditions required for the given reaction to take place:
Catalytic oxidation of ammonia to nitric oxide.
Identify the substance underlined:
The catalyst used to oxide ammonia.
Identify the substance underlined:
The organic compound which when solidified, forms an ice like mass.
Write a balanced chemical equation for the following:
An equation to illustrate the reducing nature of ammonia.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
FeCl3
Copy and complete the following equations :
(i) Mg3N2 + 6H2O →
(ii) 2NH3 + 3CuO →
(iii) 8NH3 + 3Cl2 →
(iv) 4NH3 + 5O2 →
Write balanced chemical equations for a reaction in which ammonia is oxidised by the following:
(i) A metal oxide
(ii) A gas which is not oxygen
Write the equation for the following :
Ammonium chloride is treated with sodium hydroxide.
Write a balanced equation for the following conversion:
Nitrogen trichloride from ammonia.
