(a) Structure of XeF2 :
(1) In XeF2 central atom is 'Xe'.
(2) 'Xe' undergoes sp3 d hybridisation in it's 1st excited state
(3) Shape of molecule is linear
(4) Xe form two σ – bonds with two fluorines (sp3 – 2pz overlap)
(b) Structure of XeF4 :
(1) Central atom in XeF4 is 'Xe'.
(2) Xe undergoes sp3d2 hybridisation in it's 2nd excited. state.
(3) Shape of the molecule is square planar with bond angle 90° and bond length 1.95Å.
(4) Xe – forms four σ - bonds by the overlap of sp3d2 – 2pz(F) orbitals.