Consider a voltaic cell that corresponds to the following reaction: Fe(s) + Ni2+(aq) → Fe2+(aq) + Ni(s) Which of the following statements is correct?
A) Iron is the oxidizing agent.
B) The Ni2+ solution must be in the half-cell with the iron electrode.
C) No salt bridge is necessary, since the charge is 2+ on both sides of the equation.
D) The nickel electrode is the cathode.
E) Four electrons will be transferred per atom of iron that reacts.
Correct Answer:
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