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Delayed Gas Evolution from Passive Films formed in the Kolbe Reaction

Abstract

DURING the course of electrochemical kinetic studies on the Kolbe reaction, we have observed a remarkable phenomenon, the details of which are recorded here. The classical Kolbe reaction involves the anodic electrolytic synthesis of hydrocarbons from solutions of salts of appropriate aliphatic carboxylic acids. As a model system for preliminary investigations of the electrochemical kinetics of this reaction, we have examined the anodic reaction which occurs in the electrolysis of a solution of potassium formate in pure anhydrous formic acid ; in this case 1 mole of carbon dioxide is evolved in the passage of two Faradays.

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CONWAY, B., DZIECIUCH, M. Delayed Gas Evolution from Passive Films formed in the Kolbe Reaction. Nature 189, 914–915 (1961). https://doi.org/10.1038/189914b0

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