# Q. 6.     What is an homologous series? Explain with an example.

For example, methane, ethane, propane, butane, etc. constitute the alkane homologous series. The general formula for alkanes is $C_nH_{2n+2}$.
Methane $CH_4$; Ethane $C_2H_6$; Propane $C_3H_8$ and so on.