Consider a Voltaic Cell That Corresponds to the Following Reaction

question 79

Multiple Choice

Consider a voltaic cell that corresponds to the following reaction: Mg(s) + Sn²⁺(aq) → Mg²⁺(aq) + Sn(s) Which of the following statements is correct?

• A)Magnesium is the oxidizing agent.
• B)The Sn²⁺ solution must be in the half-cell with the magnesium electrode.
• C)No salt bridge is necessary, since the charge is 2+ on both sides of the equation.
• D)The tin electrode is the cathode.
• E)Four electrons will be transferred per atom of magnesium that reacts.

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