Chemistry · Inorganic Reaction Mechanisms
Consider the outer-sphere electron transfer reaction: MnO4- + [Fe(CN)6]4- → MnO42- + [Fe(CN)6]3- [Given at 25 °C, E° for MnO4- / MnO42- = 0.56 V, [Fe(CN)6]3- / [Fe(CN)6]4- = 0.36 V; self-exchange rate constant k11 for Mn complex = 3600 M-1s-1, self-exchange rate constant k22 for Fe complex = 300 M-1s-1, assume correction factor f12 = 1] The cross-exchange rate constant (k12, in M-1s-1) using Marcus theory for the given reaction is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.8 × 103✓
- 24.8 × 106
- 35.1 × 104
- 42.5 × 105
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1.8 × 103
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