GKFix MCQ Question

What is the lattice enthalpy of Na⁺Cl⁻(s) as given in the text?

• A. +496 kJ mol⁻¹
• B. +788 kJ mol⁻¹
• C. –348.6 kJ mol⁻¹
• D. +108.4 kJ mol⁻¹