Mark the false statement

Options

A. A salt bridge is used to eliminate liquid junction potential
B. The Gibbs free energy change , `DeltaG` is related with electromovive force E as `DeltaG=-nFE`
C. Nernst equation for single electrode potential is
`E=E^(@)-(RT)/(nF)"log"d_(M)^(n+)`
D. The efficiency of a hydrogen oxygen fuel cell is 23%

Answer

C

Explanation

Correct Nernst equation for the reduction potential of a single electrode is
`E=E^(@)-(RT)/(nF)"ln"(1)/(M^(n+))`