Question
Match the column A with column B and select the correct code.
| Column A | Column B |
| 1. Secondary amine | (a) $-al$ |
| 2. Carbinol | (b) $C _{10} H _{22}$ |
| 3. Decane | (c) $R - NH - R ^{\prime}$ |
| 4. $- CHO$ group | (d) $CH _3 OH$ |
