Aromatic Hydrocarbons Structure of Benzene: - simplest aromatic hydrocarbon is benzene, C6H6 - sweetish-smelling liquid first isolated in 1825 by Michael Faraday from the oily residue that had collected in gas lines - this formula has so few hydrogen atoms for the number of carbon atoms that an unsaturated molecule would seem likely - Kekule proposed a ring structure involving alternating single and double bonds, years later Dewar and Ladenburg proposed very different molecules for …showed first 75 words of 309 total…

…showed last 75 words of 309 total…almost as good as a solvent as benzene and is comparatively less harmful - it is possible to have compounds containing connected benzene rings - Naphthalene, a compound in which two benzene rings share a common side, is used as a moth repellent - The carcinogenic compound 3,4-benzopyrene is produced in significant quantities in any burning or charring process, thus both cigarette smoke and char broiled foods contain this hazardous chemical ------------------------------------------------------------------------ **Bibliography** no bibliography