Identify the homologous series and draw the displayed formula for C3H7C(CH3)CH2.

Here are the homologous series and displayed formulas for each compound:

i). C$_{3}$H$_{7}$C(CH$_{3}$)CH$_{2}$
This formula represents 2-methylpent-1-ene. It contains a carbon-carbon double bond.
Homologous series: Alkene
Displayed formula:

$$$$