Give the preparation of the salt shown in the left column by matching with the methods given in the right column.

Write a balanced equation for each preparation.

Salt Method of preparation

Zinc sulphate Precipitation

Ferrous sulphide Oxidation

Barium sulphate Displacement

Ferric sulphate Neutralisation

Sodium sulphate Synthesis.

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Solution

Zinc Sulphate – Displacement
$Z n (O H)_{2}$ + $H_{2} S O_{4}$ ⟶ $Z n S O_{4}$ + 2 $H_{2} O$

Ferrous sulphide – synthesis
Fe + S ⟶ FeS

Barium sulphate – Precipitation
$B a C I_{2}$ + $H_{2} S O_{4}$ ⟶ $B a S O_{4}$ + 2HCI

Ferric sulphate – Oxidation
Fe + $H_{2} S O_{4}$ ⟶ $F e S O_{4}$ + $H_{2}$

Sodium sulphate – Neutralisation
2NaOH + $H_{2} S O_{4}$ ⟶ $N a_{2} S O_{4}$ + 2 $H_{2} O$

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Similar questions

Salt	Method of preparation
Zinc sulphate Ferrous sulphide Barium sulphate Ferric sulphate Sodium sulphate	Precipitation Oxidation Displacement Neutralisation synthesis

Salt	Method of Preparation
Ammonium sulphate Calcium carbonate Iron (III) chloride Lead nitrate Zinc sulphate	E

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 salts by giving a suitable equation in each case :

1. Anhydrous ferric chloride, 2. Lead chloride,

3. Sodium sulphate, 4. Copper sulphate.

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