GKFix MCQ Question

In the reaction Na(s) → Na(g), what is the value of ∆aH⁰?

• A. 92.5 kJ mol⁻¹
• B. 108.4 kJ mol⁻¹
• C. 112.0 kJ mol⁻¹
• D. 130.6 kJ mol⁻¹