If the Accompanying Drawing of an Electrochemical Cell Represents an Iron-Nickel

question 22

Multiple Choice

If the accompanying drawing of an electrochemical cell represents an iron-nickel cell, use the partial activity series included to select the half-reaction represented by the LEFT side of the cell. Zn  Zn²⁺ + 2e^- Fe  Fe²⁺ + 2e^-
Co  Co²⁺ + 2e^-
Ni  Ni²⁺ + 2e^-
Cu  Cu²⁺ + 2e^-

• A) Fe  Fe²⁺ + 2e^-
• B) Ni  Ni²⁺ + 2e^-
• C) Fe²⁺ + 2e^-  Fe
• D) Ni²⁺ + 2e^-  Ni