Which of the Following Statements About Voltaic and Electrolytic Cells

question 86

Multiple Choice

Which of the following statements about voltaic and electrolytic cells is correct?

• A) The electrons in the external wire flow from cathode to anode in both types of cell.
• B) Oxidation occurs at the cathode only in a voltaic cell.
• C) The free energy change,  G, is negative for an electrolytic cell.
• D) The cathode is labeled as positive (+) in a voltaic cell but negative (-) in an electrolytic cell.
• E) Reduction occurs at the anode in an electrolytic cell.

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