Question

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 $E^o_{M^{3+}/M^{2+}}$ value ?
(a) Cr(Z = 24)
(b) Mn(Z = 25)
(c) Fe(Z = 26)
(d) Co(Z = 27)

Answer 1

(d) Co(Z=27)

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