Advertisements
Advertisements
प्रश्न
Write a balanced equation and name the products formed when concentrated nitric acid is heated.
Advertisements
उत्तर
When concentrated nitric acid is heated, it decomposes into nitrogen dioxide, oxygen and water.
\[\ce{4HNO3 ->[\Delta] 2H2O + 4NO2 + O2}\]
APPEARS IN
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.
What is aqua fortis?
During thunderstorm, rain water contains nitric acid. Explain with reactions.
- Write a balanced chemical equation for the laboratory preparation of nitric acid.
- In the preparation of nitric acid from KNO3, concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
- Conc. nitric acid prepared in the laboratory is yellow in colour. Why? How is this colour removed?
- Give reasons for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitrate should not be heated very strongly above 200°C.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3. State the reason.
Name the Following:
Product obtained by the catalytic oxidation of ammonia.
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate condition(s) and underline it in your answer.
Copper and nitric acid react together to produce nitrogen dioxide.
Write sqauential observation for effect of heat on Copper nitrate.
Convert the following reaction into a balanced chemical equation:
Ammonia to nitric oxide using oxygen and platinum catalyst.
