| 1. | Silica gel | 2. | Alumina |
| 3. | Benzene | 4. | Both (1) and (2) |
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |
| List-I | List-II | ||
| P | Cis-2-Butene, trans-2-butene |
1 | Functional isomers |
| Q | Diethyl ether, Butanol |
2 | Stereoisomers |
| R | 1-Butene, 2-Butene |
3 | Position isomers |
| S | n-Pentane, Isopentane |
4 | Chain isomers |
| P | Q | R | S | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 2 | 1 | 3 | 4 |
| 3. | 3 | 2 | 4 | 1 |
| 4. | 4 | 2 | 1 | 3 |