6950. At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/mole NO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/mole The standard free energy of formation of NO in kJ/mole is September 7, 2025 by Admin 15 30 85 170 ✅ The correct answer is option C.