| 1. | I > II > III > IV | 2. | IV > III > II > I |
| 3. | III > II > I > IV | 4. | II > IV > III > I |
| 1. | Silica gel | 2. | Alumina |
| 3. | Benzene | 4. | Both (1) and (2) |
| 1. | 0.50 | 2. | 0.80 |
| 3. | 0.65 | 4. | 2.0 |

| 1. | Glycerol is purified by vacuum distillation. |
| 2. | Aniline is purified by steam distillation. |
| 3. | Chloroform and aniline can be separated by distillation. |
| 4. | Ethanol and water form an azeotropic mixture that can be separated by distillation. |
| Column-I | Column-II | ||
| (i) | Nitrobenzene | (a) | +R |
| (ii) | Aniline | (b) | -R |
| (iii) | ![]() |
(c) | +E |
| (iv) | ![]() |
(d) | -E |
| 1. | ![]() |
| 2. | ![]() |
| 3. | ![]() |
| 4. | ![]() |