Hydrocarbon compounds composed of hydrogen and carbon. Hydrocarbons are divided into two classes: aromatic and aliphatic, Hydrocarbon aliphatic contain benzene rings or similar rings of atoms, and aliphatic ( aleiphar, fat, oil), which do not contain aromatic rings.Hydrocarbon Aliphatic can be cyclic, like cyclohexane, or acyclic, like hexane. They also can be saturated, like hexane, or unsaturated, like hexane. |