In XeF₂, XeF₄, XeF₆ the number of lone pairs of Xe are respectively

In XeF₂, the xenon atom has two bonded fluorine atoms and three lone pairs of electrons. The electron pair geometry of  XeF₂ is trigonal bipyramidal, and the molecular geometry is linear.

In  XeF₄, the xenon atom has four bonded fluorine atoms and two lone pairs of electrons. The electron pair geometry of  XeF₄ is octahedral, and the molecular geometry is square planar.

In  XeF₆, the xenon atom has six bonded fluorine atoms and no lone pairs of electrons. The electron pair geometry of   XeF₆ is octahedral, and the molecular geometry is distorted octahedral.