First slide

Nernst Equation

Question

Reduction potential of Chlorine electrode in contact with 0.01 M KCl solution is ( $E_{Pt, \frac{1}{2} {Cl}_{2} / {Cl}^{-}}^{0} = + 1.36 V$ )

Moderate

A

1.3 V
B

1.42 V
C

1.48 V
D

1.24 V

Solution

SRP value of Chlorine Electrode is given.
$\frac{1}{2} {Cl}_{2} + e \to {Cl}^{-}; E_{RP} = E_{RP}^{0} - \frac{0.0591}{1} \log [{Cl}^{-}] E_{RP} = + 1.36 V - \frac{0.0591}{1} \log (10^{- 2}) E_{RP} = + 1.48 V$

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