The ionic radii of three halide ions are as follows: Cl⁻ = 181 pm, Br⁻ = 196 pm, I⁻ = 220 pm. All three salts listed below contain the Li⁺ cation (radius 90 pm). Which sequence correctly orders the three salts from GREATEST to LEAST lattice energy?
a) LiCl>LiBr>LiI
b) LiI>LiBr>LiCl
c) LiBr>LiCl>LiI
d) LiCl>LiI>LiBr