peroxide
Sign in to savePeroxides are a group of molecules with the structure , where each R represents a radical (a portion of a complete molecule; not a free radical) and the O's are single oxygen atoms. Oxygen atoms are joined to each other and to adjacent elements through single covalent bonds, denoted by dashes or lines. The group in a peroxide is often called the peroxide group, though some nomenclature discrepancies exist. This linkage is recognized as a common polyatomic ion, and exists in many molecules.
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Peroxides are molecules containing two oxygen atoms bonded to each other and to other parts of the molecule, and this oxygen-oxygen connection appears in many different chemical compounds. This particular arrangement of atoms is important enough that scientists recognize it as a distinct structural feature they call the peroxide group.
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Research
265,557 papers- Synthetic Strategies for Peroxide Ring Construction in Artemisinin.Molecules (Basel, Switzerland) · 2017
- [Selenium in peroxide metabolism].Medizinische Klinik (Munich, Germany : 1983) · 1997
- Regulation of enzymatic lipid peroxidation: the interplay of peroxidizing and peroxide reducing enzymes.Free radical biology & medicine · 2002
- Intestinal glutathione: determinant of mucosal peroxide transport, metabolism, and oxidative susceptibility.Toxicology and applied pharmacology · 2005
- Lipid peroxide formation in microsomes. The role of non-haem iron.The Biochemical journal · 1969
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Article
4 sectionsContents
- General structure
- Common forms
- Nomenclature
- References
Peroxides are a group of molecules with the structure , where each R represents a radical (a portion of a complete molecule; not a free radical) and the O's are single oxygen atoms. Oxygen atoms are joined to each other and to adjacent elements through single covalent bonds, denoted by dashes or lines. The group in a peroxide is often called the peroxide group, though some nomenclature discrepancies exist. This linkage is recognized as a common polyatomic ion, and exists in many molecules.
== General structure == The characteristic structure of any regular peroxide is the oxygen–oxygen covalent single bond, which connects the two main atoms together. Each oxygen atom has a oxidation state of negative one, as 5 of its valence electrons remain in the outermost orbital shell whilst one is occupied in the covalent bond. Because of the nature of the covalent bond, this arrangement results in each atom having the equivalent of 7 valence electrons, reducing the oxygens and giving them a negative charge. This charge is affected by the addition of other elements, with the properties and structure changing depending on the added group(s).