Which of the following metals could really be used as sacrificial anodes for iron (Fe2+(aq) + 2e−↔Fe(s), E0 =-0.44V )? A) Aluminum F) Lead B) Tin G) Copper C) Zinc H) Nickel D) Sodium I) Lithium E) Magnesium J) None of the above Enter all that apply in alphabetical order (e.g. AB, ABDF, etc.) Hint: Learn what a sacrificial anode is exactly, then determine which metals have appropriate "oxidation" potentials to be sacrificial with respect to iron. Then exclude any metal which is too reactive to be stable, or which forms a protective oxide layer quickly and ceases to be oxidized more easily than iron.

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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.32QP: You have 1.0 M solutions of Al(NO3)3 and AgNO3 along with Al and Ag electrodes to construct a...
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Which of the following metals could really be used as sacrificial anodes for iron (Fe2+(aq) + 2e↔Fe(s), E0 =-0.44V )?

A) Aluminum F) Lead
B) Tin G) Copper
C) Zinc H) Nickel
D) Sodium I) Lithium
E) Magnesium J) None of the above

Enter all that apply in alphabetical order (e.g. AB, ABDF, etc.)

Hint: Learn what a sacrificial anode is exactly, then determine which metals have appropriate "oxidation" potentials to be sacrificial with respect to iron. Then exclude any metal which is too reactive to be stable, or which forms a protective oxide layer quickly and ceases to be oxidized more easily than iron.

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