GKFix MCQ Question

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

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