Which of the following is true of an electrolytic cell?
A. An electric current causes an otherwise non-spontaneous chemical reaction to occur.
B. Reduction occurs at the anode.
C. A spontaneous electrochemical reaction produces an electric current.
D. The electrode to which the electrons flow is where oxidation occurs.
E. None of the above.
Answer (2)
The answer is A. An electrolytic cell is by definition a non-spontaneous chemical reaction that uses something like a battery to power it. The spontaneous counterpart is the voltaic cell.
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An electrolytic cell uses electric current to induce a non-spontaneous chemical reaction, a process that is opposite to a galvanic cell. The correct option is A: An electric current causes an otherwise non-spontaneous chemical reaction to occur. In an electrolytic cell, oxidation occurs at the anode and reduction occurs at the cathode, with electron flow driving the reaction.
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