ElectrochemistryHard

Question

2Ce4+ + Co  → 2Ce3+ + Co2+  Eocell = 1.89 V, EoCo2+/Co = - 0.277 V hence, EoCe4+Ce3+ is :

Options

A.0.805 V
B.1.62 V
C.- 0.805 V
D.- 1.61 V

Solution

Eocell = 1.89 ; EoCe4+/Ce3+ + EoCo/Co2+ = E + 0.277 ⇒ E = 1.62 V

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