Question

which part of homologos series determines the physical and chemical properties of a compound​

Answer 1

the no.of carbon elements present in the series decides it's fundamental properties

eg:- methane-CH4

ethane -C2H6

Propane-C3H8

the difference between every alkane is CH2 .

the carbon content decide it's properties like the no.of hydrogen elements.

Note: it will different from alkenes,alkynes