Which of the Following Statements About Voltaic and Electrolytic Cells

question 33

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, Δ 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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