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

question 19

Multiple Choice

38) Use the data given below to construct a Born-Haber cycle to determine the bond energy of O₂. ΔH°(kJ mol^-1)
Na(s) → Na(g) 107
Na(g) → Na⁺(g) + e⁻ 496
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O²⁻(g) 878
2Na(s) + O₂(g) → Na₂O(s) -416
2Na⁺(g) + O²⁻(g) → Na₂O(s) -2608

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

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