Aromatic hydrocarbons contain one or more carbon rings. They are typified by benzene, which contains six carbon atoms and three double bonds. Derived chiefly from petroleum and coal tar, aromatic hydrocarbons tend to be reactive. The designation...

An aromatic hydrocarbon (abbreviated as AH) or arene [1] is a hydrocarbon, the molecular structure of which incorporates one or more planar sets of six carbon atoms that are connected by delocalised electrons numbering the same as if they consisted of...