ElectrochemistryHard
Question
The oxidation potentials of Zn, Cu, Ag, H2 and Ni are 0.76, -0.34, -0.80, 0.00, 0.25 volt, respectively. Which of the following reactions will provide maximum voltage ?
Options
A.Zn + Cu2+ → Cu + Zn2+
B.Zn + 2Ag+ → 2Ag + Zn2+
C.H2 + Cu2+ → 2H+ + Cu
D.H2 + Ni2+ → 2H+ + Ni
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