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प्रश्न
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
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उत्तर
Hot concentrated nitric acid oxidizes sulphur directly into sulphuric acid.
\[\ce{S + 6HNO3 ->[\Delta] H2SO4 + 6NO2 + 2H2O}\]
The name of the process by which sulphuric acid is manufactured is contact process.
Vanadium pentoxide is the catalyst used during the process.
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संबंधित प्रश्न
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
Give main difference between drying agent and dehydrating agent.
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
What is the property of sulphuric acid that makes it a suitable reagent for the reaction?
What property of Sulphuric acid is exhibited in the following case?
When concentrated Sulphuric acid reacts with Copper to produce Sulphur dioxide gas.
