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प्रश्न
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
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उत्तर
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2}\]
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संबंधित प्रश्न
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Define the following term : Dehydrating agent
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Describe the reaction that show
Concentrated sulphuric acid behaves as oxidizing agent.
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
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
