Which ionic compound has the largest amount of lattice energy? — Chemical Bonding Chemistry Question

💡 Solution & Explanation

Step 1: The product of the ionic charges (q1 * q2) has the most dominant effect on lattice energy. Step 2: In the given options, the charges are: NaF (+1, -1), AlF3 (+3, -1), MgF2 (+2, -1), and AlN (+3, -3). The product of charges for AlN is 3 * 3 = 9, which is the highest. Step 3: Consequently, AlN has the largest lattice energy, matching option (c).