Based on the Half Reactions Given Below, Which of the Following

Multiple Choice

Based on the half reactions given below, which of the following reactants is the strongest reducing agent?

A) NADH $\rarr$ NAD⁺ + H⁺ + 2e^- (E ^$\circ$ ' = + 0.32 V)
B) dihydrolipoic acid $\rarr$ lipoic acid + 2H⁺ + 2e^- (E ^$\circ$ ' = + 0.29 V)
C) FADH₂ $\rarr$ FAD + 2H⁺ + 2e^- (E ^$\circ$ ' = + 0.22 V)
D) lactate $\rarr$ pyruvate + 2H⁺ + 2e^- (E ^$\circ$ ' = + 0.18 V)
E) succinate $\rarr$ fumarate + 2H⁺ + 2e^- (E ^$\circ$ ' = - 0.03 V)