Question

define homologous series with example

Answer 1

homologous series is a simila chemical and phyical properties and succesive differ by ch2 group
example methane alkane
ethene alkene
ethyne alkyne

Answer 2

Homologous Series

A series of compounds in which the same functional group substitutes hydrogen in a carbon chain is called a homologous series.

e.g. CH3C1 and C2H5C1 differ by a —CH2 unit.