benzene double bonds

См. также в других словарях:

• benzene ring — n a plane symmetrical ring of six carbon atoms which is characteristic of benzene and related aromatic compounds and in which the electrons forming three conjugated double bonds are distributed over the entire ring * * * the closed hexagon of… …   Medical dictionary

• benzene ring — n. a structural unit in the molecules of aromatic organic compounds, represented by a ring of six atoms of carbon with alternate double bonds between the carbon atoms: in the molecule of benzene six atoms of hydrogen are attached to the ring, one …   English World dictionary

• Benzene — For other uses, see Benzene (disambiguation). See also: Benzole Benzene …   Wikipedia

• benzene — /ben zeen, ben zeen /, n. Chem. a colorless, volatile, flammable, toxic, slightly water soluble, liquid, aromatic compound, C6H6, obtained chiefly from coal tar: used in the manufacture of commercial and medicinal chemicals, dyes, and as a… …   Universalium

• benzene — 1. An aromatic hydrocarbon present in small proportion in some crude oils and made commercially from petroleum by the catalytic reforming of naphthenes in petroleum naphtha. Also made from coal in the manufacture of coke. Used as solvent in… …   Petroleum refining glossary

• benzene ring — /bɛnzin ˈrɪŋ/ (say benzeen ring) noun the graphic representation of the structure of benzene as a hexagon with a carbon atom at each of its points. Each carbon atom is linked to one atom of hydrogen, and the delocalised pi electron system is… …  

• benzene — noun /ˈbɛnziːn/ a) An aromatic hydrocarbon of formula CH whose structure consists of a ring of alternate single and double bonds. b) Sometimes used in place of the phenyl group …   Wiktionary

• double bond — Bond Bond (b[o^]nd), n. [The same word as band. Cf. {Band}, {Bend}.] 1. That which binds, ties, fastens, or confines, or by which anything is fastened or bound, as a cord, chain, etc.; a band; a ligament; a shackle or a manacle. [1913 Webster]… …   The Collaborative International Dictionary of English

• Hydrodesulfurization — (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils.[1][2] The purpose of removing the sulfur is to …   Wikipedia

• benzenering — benzene ring Clarinda/Academy Artworks n. A hexagonal ring arrangement found in benzene and other aromatic compounds, consisting of six carbon atoms with alternating single and double bonds between them, and with each carbon atom bonded to a… …   Universalium

• aromatic compound — benzene compound a closed chain compound in which the ring contains several double bonds; see closed chain, under chain …   Medical dictionary