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प्रश्न
Give a balanced chemical equation for Laboratory preparation of Nitric acid.
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उत्तर
Nitric acid is prepared by the reaction of conc. sulphuric acid with potassium or sodium nitrate.
\[\ce{KNO3 + H2SO4 ->[<200°C] KHSO4 + HNO3}\]
\[\ce{NaNO3 + conc{.} H2SO4 -> NaHSO4 + 2HNO3}\]
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संबंधित प्रश्न
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Name the catalyst used in Ostwald process.
Give reason for the following :
Nitric acid usually does not yield hydrogen from acids.
Give reason for the following:
Concentrated nitric acid is brown in colour.
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
Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?
Name the gas evolved:
The gas produced on heating sodium nitrate.
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?
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
