The square planar structure is typically associated with transition metal complexes or molecules with an even number of ligands arranged in a plane. Among the given options, \( {XeF}_4 \) exhibits a square planar structure. Xenon, in this compound, has 4 fluorine atoms attached in a square planar geometry.
Thus, the correct answer is (B).
Regarding the molecular orbital (MO) energy levels for homonuclear diatomic molecules, the INCORRECT statement(s) is (are):