Use the Data Given Below to Construct a Born-Haber Cycle

question 6

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the bond energy of O₂. DH°(kJ)
Na(s) → Na(g) 107
Na(g) → Na⁺(g) + e⁻ 496
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O²⁻(g) 878
2 Na(s) + O₂(g) → Na₂O(s) -416
2 Na⁺(g) + O²⁻(g) → Na₂O(s) -2608

• A) 426 kJ
• B) 249 kJ
• C) 852 kJ
• D) 498 kJ
• E) 356 kJ