Peroxo compounds of chromium
WebOct 17, 2013 · Reactions of DNAs with a chromium ( v )-peroxo complex, generated in situ, yielded both sugar and base oxidation products including guanidinohydantoin. Issue Section: Papers Introduction Chromium ( vi) compounds, such as chromate and dichromate, are well known carcinogenic and mutagenic agents. WebApr 20, 2000 · Calculation of the Oxidation State of Chromium in Complexes Containing Only Cr−O Bonds and a Redetermination of the Crystal Structure of Potassium Tetra (peroxo)chromate (V) Richard M. Wood Khalil A. Abboud Ruth C. Palenik Gus J. Palenik View Author Information Cite this: Inorg. Chem. 2000, 39, 10, 2065-2068 Publication Date: April …
Peroxo compounds of chromium
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WebVanadium is a chemical element with the symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer ( passivation) somewhat stabilizes the free metal against further oxidation . WebThe meaning of PEROXO- is peroxy-—in names of coordination complexes. How to use peroxo- in a sentence.
WebThe carcinogenic and mutagenic properties of chromium(vi) compounds are attributed to hypervalent chromium species, especially metastable oxo- and peroxo-chromium(v)/(iv) … WebOxo- and Oxoperoxo-molybdenum (VI) Complexes with Aryl Hydroxamates: Synthesis, Structure, and Catalytic Uses in Highly Efficient, Selective, and Ecologically Benign Peroxidic Epoxidation of Olefins. Inorganic Chemistry 2006, 45 (24) , 9843-9857. DOI: 10.1021/ic0607235. Min Shi and, Yan-Shu Feng.
WebWe would like to show you a description here but the site won’t allow us. Chromium(VI) peroxide is formed by the addition of acidified hydrogen peroxide solutions to solutions of metal chromates or dichromates, such as sodium chromate or potassium dichromate. The generally yellow chromates or orange dichromates turn to dark blue as chromium(VI) peroxide is formed. Chromate … See more Chromium(VI) peroxide or chromium oxide peroxide is an unstable compound with the formula CrO5. This compound contains one oxo ligand and two peroxo ligands, making a total of five oxygen atoms per … See more The etherate, bipyridyl and pyridyl complexes of this compound have been found to be effective oxidants in organic chemistry. The structure of the pyridyl complex has been … See more • Tetraperoxochromate - an similarly-synthesized analogous chromium(V) peroxide complex See more • An aqueous solution of chromium peroxide • A very dilute solution of chromium peroxide See more • Experimental details and photo (in German) • Losing fingers to chemistry on YouTube (8 November 2012). Professor Martyn Poliakoff of the University of Nottingham demonstrates the synthesis on Periodic Videos. See more
WebLike other transition metals, notably Ti, V, Nb, Ta, Mo, and W, chromium forms peroxo compoundsin the higher oxidation states. Most of them are unstable, and in the solid …
WebThe carcinogenic and mutagenic properties of chromium(VI) compounds are attributed to hypervalent chromium species, especially metastable oxo- and peroxo-chromium(V)/(IV) complexes.To understand the nature of DNA damage induced by various hypervalent chromium complexes, reactions of sodium bis(2-ethyl-2 … collecting softwareWebCrystal structure of .mu.-peroxo-bis[(ethylenediamine)(diethylenetriamine) cobalt(III)] perchlorate. ... Alfred Werner's research on polynuclear coordination compounds. Coordination Chemistry Reviews 1973, 9 (3-4) , ... Complexes of chromium(III) with a cyclic tetradentate secondary amine. Inorganica Chimica Acta 1970, 4 , ... drossbach rainWebAn interpretative account of the results of reactions in aqueous medium of a highly peroxygenated vanadium(V) complex, K[V(O2)3] -3H2 0, with different organic and … drossbach buisWebJan 15, 2008 · Structural chemistry of peroxo compounds of group VI transition metals: II. Peroxo complexes of molybdenum and tungsten: A review (Journal Article) OSTI.GOV skip to main content Sign In Create Account Show searchShow menu U.S. Department of EnergyOffice of Scientific and Technical Information Search terms:Advanced search options collecting social security retirement and ssiWebChromium (VI) peroxide (CrO5) or chromium oxide peroxide is an unstable compound formed by the addition of acidified hydrogen peroxide solutions to solutions of metal … drossbach connectionsWebIt is noted that, in eleven compounds of the general formula Cr (O 2) n O m A p ( n = 1, 2, 4; m = 0, 1; p = 0–4), the metal atoms can be in four oxidations states: +3 ( d 3 ), +4 ( d 4 ), +5 ( … collecting social security on a former spouseWebMar 28, 2002 · A computational study of chromium (VI) and (V) peroxides, which exhibit important genotoxic and mutagenic activity, is reported. Energies and equilibrium geometries for [Cr (OH)]) )], [Cr (O) (O) (py)], [Cr )] (O (OH)] and [Cr (O)] were determined by molecular mechanics. collecting social security while working