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प्रश्न
Give balanced reactions for the following conversion:
Copper oxide to copper.
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उत्तर
\[\ce{3CuO + 2NH3 ->[\Delta] 3Cu + 3H2O + N2}\]
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संबंधित प्रश्न
Ammonia solution in water gives a blue precipitate when it combines with a solution of copper salt. The blue precipitate further dissolves in excess of an ammonia solution to give the azure blue solution. Explain with the equation.
Identify the substance underlined:
The organic compound which when solidified, forms an ice like mass.
Name the gas evolved in each of the following cases :
Ethene undergoes hydrogenation reaction.
Name the following
Solid obtained by passing ammonia over heated copper oxide
Write an equation for the reaction to prepare one fertilizer from ammonia.
Give balanced reactions for the following conversion:
Ammonia to nitrogen using oxygen.
Give balanced reactions for the following conversion:
Ammonia to ammonium carbonate.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
ZnCl2
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?
How is ammonia dried and collected in the laboratory?
