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प्रश्न
Name the oxide of nitrogen which turns brown on exposure to air. How is it prepared?
उत्तर
The oxide of nitrogen, which turns brown on exposure to air, is nitric oxide
This turns brown \[\ce{(NO2)}\] by catalytic oxidation of ammonia.
\[\ce{4NH3 + 5O2 ->[Pt][800°C]4NO + 6H2O + Heat}\]
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संबंधित प्रश्न
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Name the Following:
Gas obtained by treating manganese with 1% nirtric acid.
Give reason for the following:
Aluminum does not react with nitric acid of any concentration.
Give reason for the following:
Aqua regia dissolves gold and platinum.
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
Write the equation for the reaction:
Aluminum, Nitride and Water.
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?