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An aromatic hydrocarbon or arene is a hydrocarbon, the molecular structure of which incorporates one or more planar sets of six carbon atoms that are connected by delocalised electrons, the simplest of which is benzene.
Heteroarenes are aromatic compounds, where at least one methine or vinylene (-C= or -CH=CH-) group is replaced by a heteroatom: oxygen, nitrogen, or sulfur. [3] Examples of non-benzene compounds with aromatic properties are furan, a heterocyclic compound with a five-membered ring that includes a single oxygen atom, and pyridine, a heterocyclic compound with a six-membered ring containing one ...
Category:Simple aromatic rings are the fundamental non-polycyclic unsubstituted aromatic rings and may contain heteroatoms. Category:Polycyclic aromatic compounds are fused aromatic rings and may contain heteroatoms. Category:Polycyclic aromatic compounds contains Category:Polycyclic aromatic hydrocarbons.
Aromatic hydrocarbons, also known as arenes, which are hydrocarbons that have at least one aromatic ring. 10% of total nonmethane organic carbon emission are aromatic hydrocarbons from the exhaust of gasoline-powered vehicles. [4] The term 'aliphatic' refers to non-aromatic hydrocarbons.
A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings.Most are produced by the incomplete combustion of organic matter— by engine exhaust fumes, tobacco, incinerators, in roasted meats and cereals, [1] or when biomass burns at lower temperatures as in forest fires.
The molecule heme contains an aromatic system with 22 π electrons. Chlorophyll also has a similar aromatic system. Aromatic compounds are important in industry. Key aromatic hydrocarbons of commercial interest are benzene, toluene, ortho-xylene and para-xylene. About 35 million tonnes are produced worldwide every year.
Pages in category "Aromatic solvents" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. B. Benzene; Benzonitrile;
In chemistry, a hydrocarbon is an organic compound consisting only of carbon and hydrogen. ... Aromatic hydrocarbons (7 C, 24 P) B. Bitumen-impregnated rocks (8 P) C.