The Nernst equation shows that hydrogen peroxide can oxidize chloride (E°= 1.36 V), bromide (E°= 1.09 V) and iodide (E°= 0.536 V) from a thermodynamic perspective under natural conditions, i.e., a temperature range of about 0-30 °C and a pH ranging from about 3 (humic soil layer) to about 8 (sea water).
Put another way, increasing internal chloride concentration increases the reversal potential for chloride, given by the Nernst equation.
The town is the birthplace of Walther Nernst, a chemist who in 1920 received the Nobel Prize in Chemistry for the Nernst equation, which gives the standard electrode potential of an electric cell containing various concentrations of electrolytes.
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Underpotential deposition (UPD) is a phenomenon of electrodeposition of a species (typically reduction of a metal cation to a solid metal) at a potential less negative than the equilibrium (Nernst) potential for the reduction of this metal.