The ΔG° for the oxidation of NADH by FAD Statement: The standard redox potential values for two half-reactions are given. NAD⁺ + H⁺ + 2e⁻ ↔ NADH -0.315 V FAD + 2H⁺ + 2e⁻ ↔ FADH₂ -0.219 V (A) -9.25 kJ mol⁻¹ (B) -103.04 kJ mol⁻¹ (C) +51.52 kJ mol⁻¹ (D) -18.5 kJ mol⁻¹