ElectrochemistryMedium

Question

The standard potentials of OCl−/Cl− and Cl−/Cl2 are 0.94 V and −1.36 V, respectively. The Eo value of OCl−/Cl2 will be

Options

A.3.24 V
B.−0.42 V
C.−2.30 V
D.0.52 V

Solution

$E_{OCl^{-}|Cl_{2}}^{o} = \frac{2 \times E_{OCl^{-}|Cl^{-}}^{o} - 1 \times E_{Cl_{2}|Cl^{-}}^{o}}{2 - 1}$

$= \frac{2 \times 0.94 - 1 \times 1.36}{1} = 0.52\text{ V}$

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