Give the equations for the preparation of each of the following. i) C

1.	Give the equations for the preparation of each of the following. i) Copper sulphate from copper (II) oxide.ii) Potassium sulphate from potassium hydroxide solution.iii) Lead chloride from lead carbonate.
Answer» i) CuO + H₂SO₄ → CuSO₄ + H₂O ii) 2 KOH + H₂SO₄ → K₂SO₄ + 2 H₂O iii) PbCO₃ + 2 HCl → PbCl₂ + H₂O + CO₂

Give the equations for the preparation of each of the following. i) Copper sulphate from copper (II) oxide.ii) Potassium sulphate from potassium hydroxide solution.iii) Lead chloride from lead carbonate.

Answer»

i) CuO + H₂SO₄ → CuSO₄ + H₂O

ii) 2 KOH + H₂SO₄ → K₂SO₄ + 2 H₂O

iii) PbCO₃ + 2 HCl → PbCl₂ + H₂O + CO₂