Abstract
1. In the oxidation of various organic substances on a smooth platinum electrode, inhibition of the oxidation process is observed in the potential regions 0.55–0.8; 0.9–1.1; 1.3–1.6 V with respect to the normal hydrogen electrode in the same solutions in which a change in the state of the electrode surface as a result of oxygen adsorption is detected by various methods. 2. The characteristic shape of the potentiostatic polarization curves of the oxidation of organic substances and the kinetic inhibition of the oxidation processes result from changes in the state of the electrode surface during the adsorption of oxygen. 3. The rate of the electrooxidation drops exponentially as the amount of adsorbed oxygen increases. 4. In the oxidation of carboxylic acids, alcohols, and aldehydes, the value ofβ is close to 0.5, both for a surface free of oxygen and in the presence of adsorbed oxygen.
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Schedule a callMore From: Bulletin of the Academy of Sciences, USSR Division of Chemical Science
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