1985•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Requires access
Influence of the nature of the oxidizing agents on the mechanism of the oxidation of carbon monoxide in the presence of an aqua complex of palladium (II)
Е. Г. Жижина, Lidia I. Kuznetsova, K. I. Matveev
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Abstract
The kinetics of the oxidation of CO in the presence of an aqua complex of Pd(II) by VO/sup +//sub 2/ and Fe(III) ions and by heteropolyacids (HPA) viz., H/sub 3/PMo/sub 12/O/sub 40/,H/sub 4/PMo/sub 11/ VO/sub 40/, and H/sub 4/PW/sub 11/VO/sub 40/, was studied. A comparison of the data obtained with the results of the oxidation of CO by strong oxidizing agents - Cr/sub 2/O/sub 7//sup 2 -/ and Ce(IV) ions - made it possible to conclude that rapid occurrence of the reaction requires an optimum potential of the oxidizing agent 0.7 < E < 1 V. This confirms the assumption that the intermediate carbonyl complexes of partially reduced palladium are the most active in this reaction.