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प्रश्न
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
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उत्तर
\[\ce{P + 5HNO3 -> \underset{(Phodphoric acid)}{H3PO4} + H2O + 5NO2}\]
\[\ce{C + 4HNO3 -> \underset{(Carbon dioxide)}{CO2} + 2H2O + 4NO2_{(g)}}\]
संबंधित प्रश्न
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.
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Give reason for the following:
Concentrated nitric acid is brown in colour.
What do you observe when?
Scrap zinc is heated with conc. HNO3?
Complete and balance the following equation :
Pt + HNO3 + HCl → ___________
During a thunderstorm, the rainwater contains nitric acid. The nitric acid is formed as a result of three chemical reactions. Describe or write balanced chemical equation for these three reactions.
Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.
Name (formula is not acceptable) the gas produced in the following reaction:
By the action of concentrated nitric acid on copper.
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
Explain why nitric acid is kept in a reagent bottle for a long time.
