Question

Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:

1. Typical acid
2. Dehydrating agent
3. Non-volatile acid
4. Oxidizing agent

1. \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
2. \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
3. \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
4. \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
5. \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]

Answer 1

1. \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\] - Dehydrating agent
2. \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\] - Oxidizing agent
3. \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\] - Non-volatile acid
4. \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\] - Typical acid
5. \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\] - Typical acid