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Chemistry International

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Volume 38, Issue 2

Issues

Comprehensive Definition of Oxidation State

Published Online: 2016-03-19 | DOI: https://doi.org/10.1515/ci-2016-0222

Oxidation state (OS) is a simple numerical attribute of an atom in a compound, which aids the systematic descriptive chemistry of the elements, scales trends in properties, and tracks key chemistry changes in reactions. Lacking a comprehensive definition, OS has so far been defined via algorithms for its calculation or with postulated values. This document provides a definition of OS based on ionic approximation of chemical bonds. Associated with the definition’s underlying principle of bond-electron allegiance, two general algorithms are outlined for OS determination in a molecule, ion, or a solid, described by a Lewis formula or a bond graph. Typical origins of ambiguous OS values are pointed out, and the relationship between OS and the d-electron configuration of transition metals is commented on.

Comments by 31 May 2016.

Corresponding author: Pavel Karen < >

www.iupac.org/project/2008-040-1-200

About the article

Published Online: 2016-03-19

Published in Print: 2016-03-01


Citation Information: Chemistry International, Volume 38, Issue 2, Pages 26–26, ISSN (Online) 1365-2192, ISSN (Print) 0193-6484, DOI: https://doi.org/10.1515/ci-2016-0222.

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