Kinetics and mechanism of the reaction of the bis(1,10-phenanthroline)copper(I) ion with hydrogen peroxide in aqueous solution
Journal Article
·
· J. Am. Chem. Soc.; (United States)
Investigations of the reaction of the bis(1,10-phenanthroline)copper(I) ion, Cu(phen)/sub 2//sup +/, with hydrogen peroxide in the presence of a scavenger (RH = methanol, ethanol, 2-propanol, or formate ion) and of the reactions initiated by radiation-produced hydroxyl free radical, OH/sup ./, in similar systems in the absence of H/sub 2/O/sub 2/ show that OH/sup ./ is not formed by the Cu(phen)/sub 2//sup +/ + H/sub 2/O/sub 2/ reaction. The observed kinetics and stoichiometry of this reaction are interpreted in terms of a mechanism involving an intermediate, possibly a Cu-H/sub 2/O/sub 2/ complex, formed by reaction of Cu(phen)/sub 2//sup +/ with H/sub 2/O/sub 2/. The rate constant for the reaction of this intermediate with RH is smaller, by a factor of at least 10/sup 4/, than that for the reaction of OH/sup ./ with RH.
- Research Organization:
- The University, Newcastle upon Tyne, England
- OSTI ID:
- 6367473
- Journal Information:
- J. Am. Chem. Soc.; (United States), Journal Name: J. Am. Chem. Soc.; (United States) Vol. 109:7; ISSN JACSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
AQUEOUS SOLUTIONS
AROMATICS
AZAARENES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COMPLEXES
COPPER COMPLEXES
DATA
DISPERSIONS
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
HYDROXYL RADICALS
INFORMATION
KINETICS
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PEROXIDES
PHENANTHROLINES
RADICALS
REACTION INTERMEDIATES
REACTION KINETICS
SOLUTIONS
STOICHIOMETRY
TRANSITION ELEMENT COMPLEXES
400201* -- Chemical & Physicochemical Properties
AQUEOUS SOLUTIONS
AROMATICS
AZAARENES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COMPLEXES
COPPER COMPLEXES
DATA
DISPERSIONS
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
HYDROXYL RADICALS
INFORMATION
KINETICS
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PEROXIDES
PHENANTHROLINES
RADICALS
REACTION INTERMEDIATES
REACTION KINETICS
SOLUTIONS
STOICHIOMETRY
TRANSITION ELEMENT COMPLEXES