Question

propanal and propanone are homologous series? for ex: C2H5CHO(we can write it as C3H6O) and C3H6O?​

Answer 1

no we can not write it because it is a functional group and it should be always kept separate when we write it's formula

Answer 2

yes it is homologous series.

propanol C3H8O - Is the homologous series of Alcohol

propane C3H6 - Is the homologous series of Alkenes.