The molecular formula of first member of a certain group of organic compounds is CH2O(HCHO).Determine the name & molecular formula of third member of this group if it is in homologous series. What is the general name for this group of organic compounds?

Answer 1

Name and molecular formula of third memderis propanol
and C3H7OH
General name for this group of organic compounds is CnH2n
Alkane

Answer 2

Propane
Alkene
CNH2N

Answer 3

But how it's third member will be C3H6O right