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प्रश्न
Write the equation to show the reaction between the following:
Between copper and concentrated nitric acid.
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उत्तर
\[\ce{Cu + 4HNO3 ->[\Delta] Cu(NO3)2 + 2NO2 + 2H2O}\]
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संबंधित प्रश्न
Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, nitrogen dioxide, Nitric oxide, Sulphuric acid)
Hot, concentrated nitric acid reacts with sulphur to form ______________.
State one relevant observation for the following:
When crystals of copper nitrate are heated in a test tube.
Name the gas that is produced in the given cases :
Sulphur is oxidized by concentrated nitric acid.
In the preparation of nitric acid from KNO3 concentrated sulphuric acid is used in place of hydrochloric acid. Why?
Give reason why concentrated nitric acid prepared in the laboratory is yellow in colour. State how the colour of the acid is removed.
Name the Following:
Product obtained by the catalytic oxidation of ammonia.
Write a balanced equation for following :
Action of cold and dilute nitric acid on copper
Write a balanced equation for following :
Action of conc. Nitric acid on sulphur
What happens when
Caustic soda solution is added to Cu(NO3)2 solution and product boiled.
The diagram given below is a representation of the Industrial preparation of Nitric acid by Ostwald’s process. With respect to the process answer the following questions:
- Write the temperature and the catalyst required during the catalytic oxidation of ammonia.
- Give balanced chemical equation for the reaction occurring duringthe conversion of nitrogen dioxide to nitric acid.
