Under standard conditions a galvanic cell exhibits a cell potential of

CHEMISTRY · Single correct · A Level · Chemistry · Electrode potentials · Electrode potentials

Problem

1.50\,\text{V}

, and the measured standard free-energy change for the overall reaction is

\Delta G^\circ = -2.89\times10^5\,\text{J}

. How many electrons are transferred in the balanced overall reaction? (Assume

F = 9.65\times10^4\,\text{C\,mol}^{-1}\,e^{-}

.) (a)

3\text{ electrons}

(b)

1\text{ electron}

(c)

2\text{ electrons}

(d)

4\text{ electrons}