Definition<HYDROCARBON> is an <ORGANIC MOLECULE> consisting only of carbon and hydrogen. There are three main classes; saturated, unsaturated, and aromatic hydrocarbons
Saturated hydrocarbons contain only carbon-carbon single bonds. Unsaturated hydrocarbons contain carbon-carbon multiple bonds, either double or triple or both. Aromatic hydrocarbons are a special class of cyclic compounds related in structure to benzene.
