Which one of the following is not a redox reaction?
A) 2Na(s) + 2H₂O(l) → 2NaOH(aq) + H₂(g)
B) H₂(g) + Cl₂(g) → 2HCl(g)
C) 2H₂O₂(aq) → 2H₂O(l) + O₂(g)
D) Fe₂O₃(s) + 3H₂SO₄(aq) → Fe₂(SO₄)₃(aq) + 3H₂O(l)
E) 2KMnO₄(aq) + 10FeSO₄(aq) + 8H₂SO₄(aq) → K₂SO₄(aq) + 2MnSO₄(aq) + 5Fe₂(SO₄)₃(aq) + 8H₂O(l)
Answer: D