| 1. | \((A) :Dil. aq~ \mathrm{NaOH}~ at ~20^{\circ} \mathrm{C}\\ (B) : \mathrm{HBr}, \mathrm{CH}_3 \mathrm{COOH} \) |
| 2. | \( (A) : Dil. aq~ \mathrm{NaOH}~ at~ 20^{\circ} \mathrm{C}\\ (B) : \mathrm{Br}_2, \mathrm{CHCl}_3 \) |
| 3. | \( (A) : Alc. \mathrm{NaOH}~ at~ 80^{\circ} \mathrm{C}\\ (B) : \mathrm{HBr}, \mathrm{CH}_3 \mathrm{COOH} \) |
| 4. | \((A) : Alc. \mathrm{NaOH}~ at~ 80^{\circ} \mathrm{C}\\ (B) : \mathrm{Br}_2, \mathrm{CHCl}_3\) |
| 1. | ![]() |
| 2. | ![]() |
| 3. | ![]() |
| 4. | ![]() |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 1 |
1. A: O₃/Zn–H₂O; B: H₃O⁺
| 1. | 4 | 2. | 3 |
| 3. | 2 | 4. | 1 |

