Given balanced chemical equations to prepare the following salts:
Lead sulphate from lead carbonate.

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Solution

First lead carbonate is converted to lead nitrate as:
$P b C O_{3} + 2 H N O_{3} \to P b (N O_{3})_{2} + H_{2} O + C O_{2}$
Then lead nitrate is treated with sulphuric acid to get lead sulphate.
$P b (N O_{3})_{2} + H_{2} S O_{4} \to P b S O_{4} + 2 H N O_{3}$

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Q. Write equations for the laboratory preparation of the following salts, using sulphuric acid:
(i) iron (II) sulphate from the iron.
(ii) copper sulphate from copper.
(iii) lead sulphate from lead nitrate.
(iv) sodium sulphate from sodium carbonate.

Q. Give the equation for the preparation of each of the following salts from the starting material given.
(i) Copper sulphate from copper (II) oxide,
(ii) Iron (III) chloride from Iron.
(iii) Potassium sulphate from potassium hydroxide solution.
(iv) Lead chloride from lead carbonate (two equations).

(h) Name from the list of the substances given below, the substance which you would use to prepare the salts given below:
Copper, Lead, Sodium, Zinc, Copper Oxide, Lead Carbonate, Sodium Carbonate Solution, dil. HCl, dil. HNO₃, dil. H₂SO₄.
Salts:
(i) Zinc sulphate
(ii) Copper sulphate
(iii) Sodium sulphate
(iv) Lead sulphate

Q. From the list of the substances given, name the substances which you would use to prepare each of the following salts:
List of substances: copper, lead, sodium, zinc, copper oxide, lead carbonate, sodium carbonate solution, dilute hydrochloric acid, dilute nitric acid and dilute sulphuric acid.
Salts: (a) zinc sulphate (b) copper sulphate (c) sodium sulphate (d) lead sulphate.

Q. Write a balanced equation for the preparation of the following salts.
(i) Copper sulphate from Copper carbonate.
(ii) Zinc carbonate from zinc sulphate.

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Given balanced chemical equations to prepare the following salts:Lead sulphate from lead carbonate.

First lead carbonate is converted to lead nitrate as:PbCO3+2HNO3→Pb(NO3)2+H2O+CO2Then lead nitrate is treated with sulphuric acid to get lead sulphate.Pb(NO3)2+H2SO4→PbSO4+2HNO3

Given balanced chemical equations to prepare the following salts:
Lead sulphate from lead carbonate.

First lead carbonate is converted to lead nitrate as:
$P b C O_{3} + 2 H N O_{3} \to P b (N O_{3})_{2} + H_{2} O + C O_{2}$
Then lead nitrate is treated with sulphuric acid to get lead sulphate.
$P b (N O_{3})_{2} + H_{2} S O_{4} \to P b S O_{4} + 2 H N O_{3}$