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The Redox Potential of the O<sub>2</sub>–O<sup>−</sup><sub>2</sub> System in Aqueous Media
89
Citations
11
References
1974
Year
Chemical KineticsEngineeringDimethyl BenzoquinoneCouple O 2Physicochemical AnalysisMedicineRadical (Chemistry)Solution (Chemistry)Organic ChemistryReaction IntermediateRedox PotentialRedox ChemistryChemistryPharmacologyRedox BiologyBiophysicsElectrochemistryAbstract O
Abstract O − 2 radicals were formed in the presence of 2,5‐ dimethyl benzoquinone (DMBQ). The equilibrium constant of the electron transfer reaction DMBQ + O − 2 ⇌ DMBQ − + O 2 was determined. From this value and from E 0 (DMBQ/DMBQ − ) we calculated the redox potential of the couple O 2 /O − 2 , as E 0 (O 2 /O − 2 ) = −0.33 V.
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