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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
The acid which is prepared by catalytic oxidation of ammonia.
Name the gas obtained when ammonia burns in an atmosphere of oxygen without any catalyst.
State one possible source of each reactant used in the process.
Certain blank spaces are left in the following table and these are labelled as A,B,C,Da and E. Identify each of then
|
1 |
HCl gas |
NaCl + H2SO4 |
A = ________ |
Conc.H2SO4 |
B = ___ |
|
2 |
NH3 gas |
C = ____ |
Mg(OH)2NH3 |
D = ______ |
E = ___ |
Give a balanced chemical equation for the following:
Reaction of ammonia with sulphuric acid.
Give balanced equation of :
Action of heat an a mixture of copper an nitric acid
Give balanced reactions for the following conversion:
Copper oxide to copper.
Give balanced equation to prove that ammonia Has the element nitrogen in it.
Choose the correct answer from the options given below :
Nessler's reagent is an alkaline solution of
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?
