Respuesta :

1) Chemical formula for propane is CH₃-CH₂-CH₃. 
Propane is a three carbon alkane (acyclic saturated hydrocarbon).
2) Chemical formula for propanal is CH₃-CH₂-CH=O.
Propanal  is a saturated three carbon aldehyde (have a carbonyl center).
3) 
Chemical formula for propanol is CH₃-CH₂-CH₂-OH.
1-propanol  is a primary alcohol.
4) 
Chemical formula for propanone is (CH₃)₂-C=O.
Propanone or acetone is he simplest and smallest ketone.