Answer to Question #236579 in General Chemistry for Mickayla

Question

Two types of electrochemical cells which are based on thermodynamic principles can be described. Which of the following statements about these cells is correct?

a)The electrons in the external wire flow from cathode to anode in both cells.

b)Oxidation occurs at the cathode only in the voltaic cell.

c)The free energy change, ΔG, is negative for the electrolytic cell.

d)The cathode is positive in a voltaic cell but negative in an electrolytic cell.

Answer 1

The correct answer is choice

d)The cathode is positive in a voltaic cell but negative in an electrolytic cell.