Isomers are compounds with the same molecular formulae but different structural formulae. They have the same number of each type of atom. They can be part of the same or different homologous ...

Butane: two isomers of a gaseous hydrocarbon; C4H10 is produced synthetically from petroleum ... Propylene: a flammable gas, CH3CH:CH2 is derived from petroleum hydrocarbon cracking and is used in ...