AIPMT MAINS 2012 Chemistry Standard Electrode Potentials MCQ Question
Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential (E°_{M²⁺/M}) value has a positive sign?
Co (Z = 27)
Ni (Z = 28)
Cu (Z = 29)
Fe (Z = 26)
Correct Answer
Detailed Explanation
E°_{Cu²⁺/Cu} = 0.34 volt, which is positive, while others have negative E° values.
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