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Chemistry · Glossary

What is Electroactivity window?

Also known as: solvent wall

Definition 10.13 University Chemistry — Year 2 · Chapter 10 — Current–Potential Curves

The solvent walls are the steep branches of the oxidation and reduction of the solvent. The electroactivity window is the range of potentials between them, in which the curves of the dissolved species can be observed.

The walls of water at pH 0 (model). The reduction of H+ starts near 0\, V on platinum (blue) but several tenths of a volt lower on metals such as zinc or lead (dashed); the oxidation of water needs an overpotential on any electrode. The window is the range between the walls.
The walls of water at pH 0 (model). The reduction of HX+\ce{H+} starts near 0 V0\,\mathrm{V} on platinum (blue) but several tenths of a volt lower on metals such as zinc or lead (dashed); the oxidation of water needs an overpotential on any electrode. The window is the range between the walls.
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