Question

multiple choice 2 points a series of compounds, like the n - alkanes, that differ only by the number of groups, is called a(n) ____ series. homologous unsaturated functional group isomer

Explanation:

In chemistry, a homologous series consists of compounds like n - alkanes that differ by a repeating unit (e.g., $CH_2$), only varying in the number of such groups.

Answer:

A. homologous