Question
Complete the following table with writing the correct structural formula and molecular formula.
| Straight chain of carbon atoms | Structural formula | Molecular formula | Name |
| C-C | ______ | ______ | Ethane |
| C-C-C-C | ______ | ______ | Butane |
| C-C-C-C-C-C-C- | ______ | $C_7H_{16}$ | ______ |
| C-C-C-C-C-C-C-C | ______ | $C_8H_{18}$ | ______ |