All of the reactions shown are oxidation-reduction reactions except A)N₂(g)+ O₂(g)→ 2 NO(g). B)2 Fe₂O₃(s)→ 4 Fe(s)+ 3 O₂(g). C)Zn(s)+ 2 HCl(aq)→ ZnCl₂(aq)+ H₂(g). D)2 NaI(aq)+ Cl₂(g)→ 2 NaCl(aq)+ I₂. E)K₂SO₄(aq)+ BaCl₂(aq)→ BaSO₄(s)+ 2 KCl(aq).

Question

Quizplus · Accepted Answer

Reaction E, $K_2SO_4(aq) + BaCl_2(aq) \rightarrow BaSO_4(s) + 2 KCl(aq)$, is a precipitation reaction, not an oxidation-reduction reaction.

All of the Reactions Shown Are Oxidation-Reduction Reactions Except