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What Is the Cell Reaction for the Following Electrochemical Cell

Question 36

Multiple Choice

What is the cell reaction for the following electrochemical cell?
Pt | Fe2+(aq) ,Fe3+(aq) || Cr3+(aq) | Cr


A) 3Fe2+(aq) + Cr3+(s) → Cr(s) + 3Fe3+(aq)
B) 3Fe2+(aq) + 3Fe3+(aq) → Cr(s) + Cr3+(aq)
C) Cr(s) + 3Fe3+(aq) → Cr3+(aq) + 3Fe2+(aq)
D) Pt(s) + Fe2+(aq) + Cr3+(aq) → Cr(s) + Pt2+(aq) + Fe3+(aq)
E) Cr(s) + Cr3+(aq) → 3Fe2+(aq) + 3Fe3+(aq)

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