Question

Convert dil. H₂SO₄ to – 

1. Hydrogen 

2. Carbon dioxide 

3. Sulphur dioxide 

Answer 1

1. Dil H₂SO₄ to hydrogen by the action of any active metal (say zinc) on dil. H₂SO₄ 

2. Dil. H₂SO₄ to carbon dioxide by the action of any carbonate or bicarbonate on dil. H₂SO₄

3. Dil. H₂SO₄ to sulphur dioxide by the action of any sulphide on dil. H₂SO₄ 

Na₂SO₃ + H₂SO₄ → Na₂SO₄ + H₂O + SO₂