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प्रश्न
Why is the temperature maintained at 200°C in the above reaction?
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उत्तर
The temperature is maintained at 200°C in the above reaction to avoid following problems:
- Nitric acid would decompose at high temperature.
- Potassium or sodium sulphate is formed which will stick to the walls of glass and cannot be removed be easily.
- The glass apparatus may break at high temperature.
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संबंधित प्रश्न
Name the gas evolved when the following mixtures are heated.
Sodium nitrite and ammonium chloride.
How will you prepare the following from nitric acid?
Sodium nitrate
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Can we use conc. HCl in place of Conc. H2SO4 ?
Write balanced equation and name the product formed when :
Sodium hydrogen carbonate is added to nitric acid.
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
What do you see when concentrated nitric acid is added to copper?
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
Complete the table:
| Name of Process | Inputs | Equation | Output |
| Ammonia + Air | Nitric acid |
