Question

write the molecular formula of the first two members of the homologous series having functional group C double bond O ( Ketone)

Answer 1

May be this helps......
CH3-(CO)-CH3- propanone
common name -acetone.
CH3-(CO)-CH2-CH3-
butanone.

Answer 2

Hey dear,


● Answer -
1st member => CH3-CO-CH3
2nd member => CH3-CO-CH2-CH3

● Explaination -
- Ketones are simple carbonyl compounds containing two side chains.
- Ketones have general molecular formula R-CO-R'.

1st member of Ketone series - Propanone
CH3-CO-CH3

2nd member of Ketone series - Butanone
CH3-CO-CH2-CH3



Hope this helps ...