For a cell reaction involving a two-electron change, the standard e.m.f. of the cell is found to be 0.295V at 25°C. The equilibrium constant of the reaction at 25°C will be
(a) 1 × 10–10
(b) 29.5 × 10–2
(c) 10
(d) 1 × 1010 .
The correct answer is: