Alkane: A hydrocarbon with the general formula CnH2n+2.
Alkene: A hydrocarbon containing at least one carbon-carbon double bond.
Alkine: A hydrocarbon containing at least one carbon-carbon triplebond.
Aromatic compound: An unsaturated organic compound that contains an aromatic ring, which is a planar hexagonal ring structure made up of six carbon atoms joined by single bonds.
