Problem: A quantity of a powdered mixture of zinc and iron is added to a solution containing Fe2+ and Zn2+ ions, each at unit activity. What reaction will occur?(A) Zinc ions will oxidize Fe to Fe2+(B) Fe2+ ions will be oxidized to Fe3+ ions(C) Zinc metal will reduce Fe2+ ions(D) Zinc ions will be reduced to zinc metal

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A quantity of a powdered mixture of zinc and iron is added to a solution containing Fe2+ and Zn2+ ions, each at unit activity. What reaction will occur?

(A) Zinc ions will oxidize Fe to Fe2+

(B) Fe2+ ions will be oxidized to Fe3+ ions

(C) Zinc metal will reduce Fe2+ ions

(D) Zinc ions will be reduced to zinc metal

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