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प्रश्न
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
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उत्तर
Concentrated sulphuric acid as dehydrating agent as it removes water of crystallization of hydrated salts and renders them anhydrous.
\[\ce{CuSO4.5H2O ->[H2SO4] CuSO4 + 5H2O}\]
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
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 : Sulphur dioxide
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
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.
Which property of sulphuric acid accounts for its use as a dehydrating agent ?
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.
Convert the following reaction into a balanced chemical equation:
Sodium hydroxide to sodium sulphate using 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?
