What shape would you expect for XeF4?
The expected shape for XeF4 is square planar. There are two lone pairs present on the central Xe atom therefore lone pair-bond pair and bond pair-bond pair repulsions do exist in addition to bond pair-bond pair repulsions between the four Xe-F bonds.
The two lone pairs occupy positions farthest away from each other i.e., on opposite sides of the square planar shape while the four F atoms occupy the four corners of the square.
|Shape of XeF4||Square planar|
|Bond angle (F-Xe-F)||90° and 180°|
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