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  4. The type of hybridization in XeF4 is:

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Q. The type of hybridization in $ Xe{{F}_{4}} $ is:

Punjab PMETPunjab PMET 2006Chemical Bonding and Molecular Structure

Solution:

Electronic configuration of $Xe$ in ground state :
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Electronic configuration of $Xe$ in excited state :
image
Note : The expected geometry of $XeF _{4}$ is octahedral. On account of the fact that $\varphi-l p$ repulsion $>l p-b p$ repulsion, there is some distortion in the shape of the molecule. Thus $XeF _{4}$ has distorted octahedral geometry with two lone pair of electrons. In other words, it has a square planar geometry.