Question

Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential $(E^o_{M^{2+}/M})$ value has a positive sign?
(a) Co (Z = 27)
(b) Ni (Z = 28)
(c) Cu (Z = 29)
(d) Fe (Z = 26)

Answer 1

(c)Cu (Z=29)

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