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प्रश्न
Give the equation for the preparation of the following salt from the starting material given.
Lead chloride from lead carbonate (two equations)
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उत्तर
\[\ce{PbCO1 + 2HNO1 -> Pb(NO1)2 + H2O + CO2 - Pb(NO1)2 + 2NaCI -> PbCI2 + 2NaNO1}\]
संबंधित प्रश्न
Give equation to prepare the following as directed
PbCO3 from Pb(NO3)
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 |
Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from 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?
The diagram given below is to prepare iron (III) chloride in the laboratory.
(i) What is substance B?
(ii) What is the purpose of B?
(iii)Why is iron (III) chloride to be stored in a closed container?
(iv) Write the equation for the reaction between iron and chloride ?
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
- A is a sodium salt.
- B is an insoluble salt.
- C is a soluble salt of copper.
- D is a soluble salt of zinc.
The following is a list of methods for the preparation of salts.
A – direct combination of two elements.
B – reaction of a dilute acid with a metal.
C – reaction of a dilute acid with an insoluble base.
D – titration of a dilute acid with a solution of soluble base.
E – reaction of two solutions of salts to form a precipitate.
Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:
Sodium sulphate.
Select the word/s given which are required to correctly complete the blanks.
If a piece of magnesium was put into a solution M, ______ gas would be evolved.
