Advertisements
Advertisements
प्रश्न
Describe what you see when concentrated nitric acid is added to copper.
Advertisements
उत्तर
When concentrated nitric acid is added to copper brown fumes of nitrogen dioxide are observed.
APPEARS IN
संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
Write an equation for the following conversions A, B, C and D.
Name a solution which absorbs nitric oxide.
Name the Following:
Salt referred to as chile saltpeter.
Why is the temperature maintained at 200°C in the above reaction?
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for 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.
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
