The following is the list of methods for the preparation of salts.​

(A) Direct combination of two elements.​

(B) reaction of dilute acid with a metal.​

(C) Reaction of dilute acid with an insoluble base.​

(D) Titration of 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:​

4. Copper sulphate​

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.

Write the balanced equations for the preparation of the following salts in the laboratory :

(a) A soluble sulphate by the action of an acid on an insoluble base,

(b) An insoluble salt by the action of an acid on another salt,

(c) An insoluble base by the action of a soluble base on a soluble salt,

(d) A soluble sulphate by the action of an acid on a metal.