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प्रश्न
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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
Name the gas evolved in each of the following cases :
Alumina undergoes electrolytic reduction.
Study the flow chart given and give balanced equations to represent the reactions A, B and C:
\[\ce{Mg3N2 ->[A] NH3 <=>[B][C] NH4Cl}\]
Name the following
Solid obtained by passing ammonia over heated copper oxide
Name the following
Products obtained by treating with excess chlorine.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
FeSO4
Choose the correct answer from the options given below :
Ammonia reacts with excess chlorine to form
Industrially, ammonia is obtained by direct combination of nitrogen and hydrogen.
(i) Write balanced equation for the direct combination of nitrogen and hydrogen.
(ii) Which of the metals - iron, platinum, copper - catalyse this direct combination?
(iii) Is the formation of ammonia promoted by high pressure or low pressure?
An element has 2 electrons in its N shell. It reacts with a non-metal of atomic number 7. The compound formed reacts with warm water and produces a basic gas. Identify the elements and write a balanced chemical reaction.
