GKFix MCQ Question

What is the enthalpy change for the reaction: CO(g) → C(graphite) + ½ O₂(g)?

• A. –110.5 kJ mol⁻¹
• B. +110.5 kJ mol⁻¹
• C. +393.5 kJ mol⁻¹
• D. –393.5 kJ mol⁻¹