Question

Using the following portion of the activity series for oxidation half reactions
K(s) -> K+(aq) + e-
Al(s) -> Al3+(aq) + 3e-
Fe(s) -> Fe2+(aq) + 2e-
Sn(s) -> Sn2+(aq) + 2e-
determine which reaction will occur.
A) Al3+(aq) with Fe(s)
B) Al(s) with Sn(s)
C) K+(aq) with Fe2+(aq)
D) K(s) with Sn2+(aq)

Answer

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