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

question 71

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

---

Definitions:

General Merchandise Stores

Retail establishments that sell a wide variety of goods across different categories, including clothing, household items, and groceries.

Wide Range

A broad variety of options or products available in a specific category, offering extensive selection to consumers.

Scrambled Merchandising

A retailing practice where stores carry a wide variety of product lines, often unrelated, to attract a broader customer base.

Hypermarkets

Large retail stores that combine a supermarket and a department store, offering a wide range of food and non-food items under one roof.