Reaction of hydrogen peroxide with hexaaquacobalt(III) perchlorate |
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| Authors: | Grant W Wangila Robert B Jordan |
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| Institution: | a Department of Chemistry and Physics, University of Arkansas at Pine Bluff, 1200 North University Drive, Caine-Gilleland Hall, Mail Slot 4941, Pine Bluff, AR 71601, USA
b University of Alberta, Chemistry Department, Edmonton, Alta., Canada T6G 2G2 |
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| Abstract: | The reaction of  with H2O2 in 1.0 M HClO4/LiClO4 was found to be first-order in both reactants and the H+] dependence of the second-order rate constant is given by k2obs = b/H+], b at 25 °C is 26.4 ± 0.5 s−1. The rate law shows a simple inverse dependence on H+] that is consistent with a rapidly maintained equilibrium between  and its hydrolyzed form Co(H2O)5(OH)2+, followed by the rate controlling step, i.e. oxidation of H2O2 by Co(H2O)5(OH)2+. |
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| Keywords: | Kinetic studies Mechanism for the reaction Hydrogen peroxide reactivities Reduction of hexaquacobalt(III) perchlorate |
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