Q

All the compounds of which of the following sets belongs to the same homologous series?

RRB Group D, 18-Aug-22 S-2 2022
✓ Answer: A C3H8, C4H10, C5H12
The compounds C3H8, C4H10, and C5H12 all belong to the same homologous series of alkanes, which follow the general formula CnH2n+2. A homologous series consists of compounds with similar chemical properties and a gradual change in physical properties. Each subsequent compound in this series differs by one CH2 unit.