Question

waht do you meant by analogus series?

Answer 1

Analogous series means having same functions but different origin or structure

Answer 2

HEY Bhavesh...

A homologous series is a series of compounds which has  same general formula, but differ in a particular parameter like LENGTH OF CARBON CHAIN.

For example:-

Methane(CH4), Ethane(C2H6), Propane(C3H8), and so on......

the major differenceu can see that all the compounds are differ from a -CH2- group.

Thank you...

HOPE IT HELPS !