The oxidation and reduction equations for the following reaction are Pb(s) + Cu2+(aq) → Pb2+(aq) + Cu(s)

I.
Oxidation reaction

Pb (s) > Pb2 + (aq) + 2e Pb is oxidizing agent

Reduction reaction

Cu2 +(aq) + 2e- > Cu (s) Cu2 + is reducing agent

II.
Oxidation reaction

Pb (s) > Pb2 + (aq) + 2e Pb is oxidized

Reduction reaction

Cu2 + (aq) + 2e- > Cu (s) Cu2 + is reduced

III.
Oxidation reaction

Cu2 + (aq) + 2e- > Cu (s)

Reduction reaction

Pb (s) > Pb2 + (aq) + 2e

IV.

Oxidation reaction

Cu (s) + 2e- > Cu2+ (s)

Reduction reaction

Pb2+ (aq) > Pb (s) + 2e