GKFix MCQ Question

What is the entropy change for the oxidation of iron (4Fe + 3O₂ → 2Fe₂O₃) at 298 K?

• A. +549.4 JK⁻¹ mol⁻¹
• B. +5530 JK⁻¹ mol⁻¹
• C. –5530 JK⁻¹ mol⁻¹
• D. –549.4 JK⁻¹ mol⁻¹