The cell voltage,E°,is ____ for a reaction taking place in a voltaic cell.

Question

Quizplus · Accepted Answer

The cell voltage, E°, is the standard potential difference between the two half-cells in a voltaic (or galvanic) cell. It is an indication of the spontaneity and directionality of the reaction. A positive E° value indicates that the reaction is spontaneous and proceeds in the direction written in the half-cell reaction. Conversely, a negative E° value indicates that the reaction is non-spontaneous and proceeds in the opposite direction. Therefore, the best choice is E, which indicates a positive cell voltage.

The Cell Voltage,E°,is ____ for a Reaction Taking Place in a Voltaic