Four successive members of the first row transition elements are listed below with atomic number...

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Four successive members of the first row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest \( E_{M^{3+} / M^{2+}}^{\circ} \) value?
A. \( C o(Z=27) \)
B. \( C r(Z=24) \)
C. \( M n(Z=25) \)
D. \( F e(Z=26) \)
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