Does anyone know of a standard potential for the three electron reduction of O2 to give the hydroxyl radical? This would be following the reaction O2 + 3H+ + 3e- -> HO. + H2O. A value with reference would be greatly appreciated.
There is some info about 3-electron reduction (O2 to OH·), maybe you can request fulltext if you find it useful (or ask authors):
Article Evidence for OH Radical Production during Electrocatalysis o...
E°(HO•, H+/H2O) = + 2.722 ± 0.006 V
Electrode potentials of partially reduced oxygen species, from dioxygen to water
By: Koppenol, Willem H.; Stanbury, David M.; Bounds, Patricia L.
FREE RADICAL BIOLOGY AND MEDICINE Volume: 49 Issue: 3 Pages: 317-322 Published: AUG 1 2010
Electrode potentials of partially reduced oxygen species, from dioxygen to water
E°(HO•, H+/H2O) = + 2.722 ± 0.006 V
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