Advertisements
Advertisements
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.
\[\ce{4NH3 + 5O2 ->[Pt][800°C]4NO + 6H2O + Heat}\]
APPEARS IN
संबंधित प्रश्न
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
How will you prepare the following from nitric acid?
Aqua regia
The chemical used in the brown ring test is ______.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
Give reason for the following:
Lighting is a blessing in disguise.
How will you prepare Aqua regia from nitric acid?
Choose the correct answer from the option given below :
When treated with nitric acid which of the following liberate hydrogen?
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Name the gas evolved:
The gas produced on heating sodium nitrate.
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
