Malen Bara CHEMISTRY - Inorganic Chemistry

Which of the following is a typical example of an inner-sphere electron transfer reaction?

A. Oxidation of Fe²⁺ by Ce⁴⁺. B. Reduction of MnO₄⁻ by Fe²⁺. C. Reduction of Cr₂O₇²⁻ by Zn. D. Oxidation of Cl⁻ by MnO₄⁻.

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An inner-sphere electron transfer involves a bridging ligand that temporarily connects the two reactants. In the reduction of MnO₄⁻ by Fe²⁺, an intermediate complex can form where a ligand bridges the Mn and Fe centers, facilitating the electron transfer.

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