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प्रश्न
Describe what you see when concentrated nitric acid is added to copper.
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उत्तर
When concentrated nitric acid is added to copper brown fumes of nitrogen dioxide are observed.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Write an equation for the following conversions A, B, C and D.
Give reason for the following:
Concentrated nitric acid is brown in colour.
Give reason for the following:
Concentrated nitric acid is a stronger oxidizing agent.
Write balanced equation and name the product formed when :
Sodium hydrogen carbonate is added to nitric acid.
Complete and balance the following equation :
Fe + HNO3(conc.) → _____________
Complete and balance the following equation :
FeSO4 + NO + H2O → ______________
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
Write a chemical equation to illustrate the acidic nature of nitric acid.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
