BIOC 2580 Lecture Notes - Lecture 8: Reduction Potential, Standard Hydrogen Electrode, Electrochemical Cell
12 Apr 2016
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Consult your first-year chemistry textbook and your biochemistry textbook for further explanation. Oxidation and reduction reactions must occur together (reaction (i)), however it is easier to consider separately when describing electron transfers (reaction (ii) and (iii)). The electron donating molecule in an oxidation reduction reaction (bred) is called the reducing agent or the electron accepting molecule (aox) is the oxidizing agent or oxidant. two halves reductant; the. We can determine this by comparing the standard reduction potential (e0 reactions. = standard reduction potential at ph 7 and 250c. Biochemists use the transformed standard reduction potential (e0 biochemistry is defined as ph 7 (similar to the definition of g0 . Measuring the standard reduction potential of half reactions (e0 . Redox potentials can be measured with an electrochemical cell apparatus. Each cell mediates one of the half-reactions, and the electrons pass between through a wire.
