Using the Following Portion of the Activity Series for Oxidation

Multiple Choice

Using the following portion of the activity series for oxidation half reactions Mg(s) → Mg²⁺(aq) + 2e^-
Co(s) → Co²⁺(aq) + 2e^-
Cu(s) → Cu²⁺(aq) + 2e^-
indicate which pairs of reactions will occur.

A) Cu(s) with Co²⁺(aq) and Co(s) with Mg²⁺(aq)
B) Mg(s) with Cu²⁺(aq) and Co²⁺(aq) with Mg²⁺(aq)
C) Mg(s) with Cu(s) and Co(s) with Cu(s)
D) Mg(s) with Co²⁺(aq) and Co(s) with Cu²⁺(aq)