4(iii)
Match the Column A (showing the properties of H2SO4) with Column B (showing the reaction of H2SO4)
| Column A Properties of H2SO4 | Column B Reaction of H2SO4 |
|---|---|
| (a) Acidic property | 1. C12H22O11 + nH2SO4 ⟶ 12C + 11H2O + nH2SO4 |
| (b) Dehydrating property | 2. S + 2H2SO4 ⟶ 3SO2 + 2H2O |
| (c) Non-volatile acid | 3. CaO + H2SO4 ⟶ CaSO4 + H2O |
| (d) Oxidizing agent | 4. NaCl + H2SO4 ⟶ NaHSO4 + HCl |
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| Column A Properties of H2SO4 | Column B Reaction of H2SO4 |
|---|---|
| (a) Acidic property | 3. CaO + H2SO4 ⟶ CaSO4 + H2O |
| (b) Dehydrating property | 1. C12H22O11 + nH2SO4 ⟶ 12C + 11H2O + nH2SO4 |
| (c) Non-volatile acid | 4. NaCl + H2SO4 ⟶ NaHSO4 + HCl |
| (d) Oxidizing agent | 2. S + H2SO4 ⟶ 3SO2 + 2H2O |