Question

What is the name of the third member of the alkene homologous series?

Answer 1

• The homologous series refers to a group of compounds that have the same functional group and have similar characteristics.
• The members of the homologous series differ by $-{\mathrm{CH}}_2$ unit from the successive member.
• ${\mathrm{C}}_2{\mathrm{H}}_4$ is the first member of the alkene homologous series.
• Thus, ${\mathrm{C}}_3{\mathrm{H}}_6$ is the alkene homologous series second member.
• ${\mathrm{C}}_4{\mathrm{H}}_8$ is the alkene homologous series third member.
• Therefore, Butene (${\mathbf{C}}_{\mathbf{4}}{\mathbf{H}}_{\mathbf{8}}$) is the name of the third member of the alkene homologous series.