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प्रश्न
Name the oxide of nitrogen which turns brown on exposure to air. How is it prepared?
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उत्तर
Oxide is NO (Nitric oxide).
This turns brown (NO2).
Preparation:
(i) Nitrogen and oxygen combine in the atmosphere during lightning discharge.
\[\ce{N2 + O2 <=> 2NO}\]
(ii) By oxidation of ammonia.
\[\ce{4NH3 + 5O2 ->[Pt][800^\circ C]4NO + 6H2O + Heat}\]
संबंधित प्रश्न
How will you prepare the following from nitric acid?
Sodium nitrate
How will you prepare the following from nitric acid?
Ferric nitrate
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
Name the Following:
Product obtained by heating concentrated nitric acid.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
Fill in the blank with appropriate word/words.
3 Cu + 8 HNO3 (dilute) → _______ + 4H2O + _________
State, what is observe when nitric acid is kept in a reagent bottle for a long time.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
