why homologous series of carbon compounds are so called Write two chemical formula of two consecutive members of a - Science - Carbon and its Compounds

Question

why homologous series of carbon compounds are so called? Write
two chemical formula of two consecutive members of a homologous
series and state the part of these compounds that determine their
(a) physical properties and (b)chemical properties

Pushkar Shukla · Accepted Answer

A homologous series is a series of organic compounds which
belong to the same family (i e possess same functional group) and
show similar chemical properties The members of this series are
called homologue and differ from each other by the number of
CH2 units in the main carbon chain
e g CH3-CH3 and
CH3-CH2-CH3 are members of
the same homologous series, -CH3 and
CH2-CH3 determine the physical
and chemical properties of the compounds

The compounds in a homologous series should have
1) similar chemical formulas
2) similar chemical properties
3) physical properties that show a gradual change or trend based on
the differences in their formulas

why homologous series of carbon compounds are so called? Write two chemical formula of two consecutive members of a homologous series and state the part of these compounds that determine their (a) physical properties and (b)chemical properties.