Author Question: Using the following portion of the activity series for oxidation half reactions Li(s) Li+(aq) + e- ... (Read 80 times)

robinn137 · **on:** Feb 15, 2020

Question 1

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.
◦ Mg(s) with Cu2+(aq) and Co2+(aq) with Mg2+(aq)
◦ Mg(s) with Co2+(aq) and Co(s) with Cu2+(aq)
◦ Mg(s) with Cu(s) and Co(s) with Cu(s)
◦ Cu(s) with Co2+(aq) and Co(s) with Mg2+(aq)

Question 2

Using the following portion of the activity series for oxidation half reactions

Li(s) → Li+(aq) + e-
Al(s) → Al3+(aq) + 3e-
Fe(s) → Fe2+(aq) + 2e-
Pt(s) → Pt2+(aq) + 2e-

determine which pairs of reactions will occur.
◦ Al(s) with Fe2+(aq) and Pt(s) with Li+(aq)
◦ Li(s) with Al3+(aq) and Fe(s) with Al3+(aq)
◦ Fe(s) with Al(s) and Al3+(aq) with Pt2+(aq)
◦ Fe(s) with Pt2+(aq) and Al(s) with Pt2+(aq)

honnalora · **Reply #1 on:** Feb 15, 2020

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