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Mechanism of oxidation of chromium(II) ions by salicylaldehyde. Effect of reversible reaction in the rate-determining step

P. Ševčík

Department of Physical Chemistry, Faculty of Natural Sciences, Komenský University, 801 00 Bratislava


Abstract: The true reaction order, detd. from initial rates by the differential method, with respect to the concn. of Cr2+ is lower than the reaction order detd. by both the integral and the differential methods with respect to time. Product Cr3+ ions retard the redox reaction of Cr2+ with salicylaldehyde and the rate of increase of Cr3+ products corresponds to the rate of decrease of Cr2+ ions. The effect of a reversible reaction in the rate-detg. step of this noncomplementary redox reaction is discussed.

Full paper in Portable Document Format: 291a9.pdf


Chemical Papers 29 (1) 9–14 (1975)

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