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प्रश्न
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
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उत्तर
\[\ce{PbCO3 + 2HNO3 -> Pb(NO3)2 + H2O + CO2}\]
\[\ce{Pb(NO3)2 + 2HCl -> PbCl2 + 2HNO3}\]
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संबंधित प्रश्न
How would you obtain salt from another salt?
How is the following salt prepared:
Lead (II) oxide from lead.
Some methods used for the laboratory preparation of salts are:
(a) Metal + acid
(b) Carbonate + acid
(c) Precipitation
(d) Direct combination
(e) Titration
Copy and complete the following table :
| Salt | Method of Preparation |
| Ammonium Sulphate | |
| Calcium carbonate | |
| Iron (III) chloride | |
| Lead nitrate | |
| Zinc sulphate |
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
lead sulphate using dilute sulphuric acid.
Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
Give the equation for the preparation of the following salt from the starting material given.
Potassium sulphate from potassium hydroxide solution
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
A is a sodium salt.
Mention the colour changes observed when the following indicators are added:
| Solution | Acids | Alkalies |
| (a) Alkaline phenolphthalein solution | ||
| (b) Methyl orange solution | ||
| (c) Neutral litmus solution |
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 |
For the preparation of the following salts - give a balanced equation in the following case.
Lead [II] chloride from lead carbonate [give two equations]
