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प्रश्न
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
विकल्प
Sulphur dioxide
Carbon dioxide
Hydrogen sulphide
Nitrogen dioxide
Sulphur trioxide
Vapour of sulphuric acid
उत्तर
Hydrogen sulphide
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संबंधित प्रश्न
How will you distinguish between dilute hydrochloric acid and dilute sulphuric acid using lead nitrate solution?
Identify the acid in the case:
The acid on mixing with lead nitrate solution produces a white precipitate, which is insoluble even on heating.
Give two balanced reactions of each type to show the following property of sulphuric acid:
Oxidising agent
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:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
Describe the reaction that show
Concentrated sulphuric acid behaves as oxidizing agent.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
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?
