Which of the Following Is an Oxidation-Reduction Reaction

Multiple Choice

Which of the following is an oxidation-reduction reaction?

A) H I(aq) + LiOH(aq) → Li I(aq) + H₂O(l)
B) Na Br(aq) + AgNO₃(aq) → Ag Br(s) + NaNO₃(aq)
C) Pb(C₂H₃O₂) ₂(aq) + 2 NaCl(aq) → PbCl₂(s) + 2 NaC₂H₃O₂(aq)
D) Mg(s) + 2 HCl(aq) → MgCl₂(aq) + H₂(g)
E) All of the above are oxidation-reduction reactions.