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प्रश्न
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
उत्तर
When hydrogen sulphide is bubbled through conc. HNO3 formation of sulphur, nitric oxide and water will occur.
\[\ce{3H2S + 2HNO3 -> 3S + 2NO + 4H2O}\]
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संबंधित प्रश्न
How will you prepare the following from nitric acid?
Sodium nitrate
Name the Following:
Salt used in the laboratory to prepare nitric acid
Write the equations involved in Ostwald process.
Give reason for the following:
Concentrated nitric acid is brown in colour.
How will you prepare Aqua regia from nitric acid?
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
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.
When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate. what is the special feature of the apparatus used?
Name the gas evolved:
The gas produced on heating sodium nitrate.
Explain why nitric acid is kept in a reagent bottle for a long time.
