Which statement regarding voltaic cells is not correct?
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Which statement about a voltaic cell is not correct?
Two types of electrochemical cells which are based on thermodynamicprinciples can be described. Which of the following statementsabout these cells is correct?A. The current in the external wire flows from cathode to anode inboth cells.B. Oxidation occurs at the cathode only in the voltaic cell.C. The free energy change, ?G, is negative for the electrolyticcell.D. The cathode is positive in a voltaic cell but negative in anelectrolytic cell.