Alkene:An alkene is a hydrocarbon that contains at least one carbon-carbon double bond, providing sites for chemical reactivity.
Functional Group:A functional group is an atom or group of atoms within a molecule that gives the molecule its characteristic chemical reactions.
Propylene:Propylene (or propene) is a colorless gas with the formula C3H6, consisting of three carbon atoms and six hydrogen atoms, and contains one double bond, making it an alkene