Mark the false statement.
- A$A$. $A$ salt bridge is used to eliminate liquid junction potential.
- B$B$. The Gibbs free energy change,$\Delta G$ is related to electromotive force $(E)$,as $\Delta G = -nFE$.
- C$C$. The Nernst equation for single electrode potential is $E = E^o - \frac{RT}{nF} \ln a_{M^{n+}}$.
- D$D$. The efficiency of a hydrogen-oxygen fuel cell is $23 \%$.
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