Which of the following is the oxidizing agent in the following reaction:
5Fe²⁺ (aq) + MnO₄⁻ (aq) + 8H⁺(aq) → 5Fe³⁺(aq) + Mn²⁺(aq) + 4H₂O(1)
A)H⁺
B) MnO₄⁻
C) Fe²⁺
D) Mn²⁺
E)Fe³⁺