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प्रश्न
Give a balanced chemical equation for the action of sulphuric acid on the following:
Sulphur
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उत्तर
\[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
संबंधित प्रश्न
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.
Give examples of the use of sulphuric acid as
An oxidizing agent
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Hydrogen
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
