Trivalent Copper. I. A Pulse Radiolytic Study of the Chemical Properties of the Aquo Complex

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Abstract

The mechanism of decomposition of the aquo trivalent copper ions in neutral and acid solutions was investigated. The effect of NO2-, Br-, CH3OH, and H2O2 on the disappearance of Cu(III)(aq) was studied. It is concluded that in neutral solutions the trivalent copper exists in the form of CuOH2+(aq) or Cu(OH)2+(aq) and decomposes via 2CuOH2+ → 2Cu2+ + H2O2. In acid solutions the mechanism involves the formation of hydroxyl radicals probably via Cu3+(aq) ⇄ Cu2+ + OH. The reaction Cu+ + CuOH2+(aq) is diffusion controlled.

Original languageEnglish
Pages (from-to)638-641
Number of pages4
JournalInorganic Chemistry
Volume10
Issue number3
DOIs
StatePublished - 1 Mar 1971
Externally publishedYes

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