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A Voltaic Cell Is Prepared in Which Aluminum Metal Is

Question 39

Multiple Choice

A voltaic cell is prepared in which aluminum metal is oxidized to Al3+, and nickel(II) is reduced to nickel metal. Which of the following represents the equation for the reaction that occurs at the anode?


A) Al(s) → Al3+(aq) + 3e-
B) Ni2+(aq) + 2e- → Ni(s)
C) Ni(s) → Ni2+(aq) + 2e-
D) Al3+(aq) + 3e- → Al(s)
E) 2Al3+(aq) + 3e- → 2Al(s)

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