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