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Questions 40 and 41 should be answered with reference to these half-reactions and their standard redElectrochemistry Chemistry Question

Question

Questions 40 and 41 should be answered with reference to these half-reactions and their standard reduction potentials.
Al3+(aq) + 3e– → Al(s) Eo = –1.66 V
Mn2+(aq) + 2e– → Mn(s) Eo = –1.18 V
What process occurs at the anode of a voltaic cell utilizing these two half-reactions?

A.

Al(s) → Al3+(aq) + 3e–

✓ Correct
B.

Al3+(aq) + 3e– → Al(s)

C.

Mn(s) → Mn2+(aq) + 2e–

D.

Mn2+(aq) + 2e– → Mn(s)

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