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प्रश्न
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
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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
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Give two chemical equations for the following:
Reactions of nitric acid with non-metals.
How will you prepare the following from nitric acid?
copper nitrate
The action of heat on the blue crystalline solid X gives a reddish brown gas Y, a gas which re-lights a glowing splint and leaves a black residue. When gas Z, which has a rotten egg smell, is passed through a solution of X, a black ppt. is formed.
- Identify X, Y and Z.
- Write the equation for the action of heat on X.
- Write the equation between solution X and gas Z.
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
