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प्रश्न
Give the preparation of the salt given in the left column by matching with the methods given in the right column. Write balanced equations for each preparation.
| Salt | Method of Preparation |
| Zinc sulphate | Precipitation |
| Ferrous sulphide | Displacement |
| Barium sulphate | Neutralization |
| Sodium sulphate | Synthesis |
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उत्तर
| Salt | Method of Preparation |
| Zinc sulphate | Displacement |
| Ferrous sulphide | Synthesis |
| Barium sulphate | Precipitation |
| Sodium sulphate | Neutralization |
i) Preparation of Zinc Sulphate by displacement method:
Zn + H2SO4 → 2ZnSO4 + H2
ii) Preparation of Ferrous sulphide by synthesis method:
Fe + S → FeS
iii) Preparation of Barium sulphate by precipitation method:
BaCI2 + H2SO4 → BaSO4 + 2HCI
iv) Preparation of Sodium sulphate by neutralization method:
2NaOH + H2SO4 → Na2SO4 + 2H2O
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संबंधित प्रश्न
How is the following salt prepared:
Lead (II) oxide from lead.
How is the following salt prepared:
Lead carbonate from lead nitrate.
How is the following salt prepared:
Copper (II) sulphate from copper (II) oxide?
Explain hydronium ion. Write the ionization of sulphuric acid showing the formation of hydronium ion.
Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
(i) Sodium sulphate
(ii) Copper sulphate
(iii) Iron (II) sulphate
(iv) Zinc carbonate
| Dilute sulphuric acid |
Copper, Iron, |
Copper carbonate, Sodium carbonate |
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
What is the first step that is required to prepare lead sulphate from lead carbonate?
Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
Give the equation for the preparation of the following salt from the starting material given.
Lead chloride from lead carbonate (two equations)
Explain the following method with example.
Direct combination
Match the salts underlined in Column A with the most suitable method of preparation given in Column B.
| Column A | Column B | ||
| (a) | \[\ce{ZnCl2 \text{from} Zn}\] | 1. | Precipitation |
| (b) | \[\ce{KNO3 \text{from} KOH}\]. | 2. | Direct combination |
| (c) | \[\ce{CaCO3 \text{from} CaCl2}\]. | 3. | Displacement reaction |
| 4. | Neutralization |
