Question

Give the preparation of the salt given in the left column by matching with the methods given in the right column. Write balanced equations for each preparation.

Salt	Method of Preparation
Zinc sulphate	Precipitation
Ferrous sulphide	Displacement
Barium sulphate	Neutralization
Sodium sulphate	Synthesis

Answer 1

Salt	Method of Preparation
Zinc sulphate	Displacement
Ferrous sulphide	Synthesis
Barium sulphate	Precipitation
Sodium sulphate	Neutralization

i) Preparation of Zinc Sulphate by displacement method:
           Zn + H₂SO₄ → 2ZnSO₄ + H₂
ii) Preparation of Ferrous sulphide by synthesis method:
           Fe + S → FeS

iii) Preparation of Barium sulphate by precipitation method:
       BaCI₂ + H₂SO₄ → BaSO₄ + 2HCI
iv) Preparation of Sodium sulphate by neutralization method:
       2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O