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Q. The geometry of electron pairs around $I$ in $ IF_{5} $ is

Delhi UMET/DPMTDelhi UMET/DPMT 2011Chemical Bonding and Molecular Structure

Solution:

Hybridisation in $ IF_{5}=\frac{1}{2}[7+5-0+0]=6; $
Hence, $ sp^{3}d^{2} $ hybridisation exists in $ IF_{5}$ .
Octahedral geometry with one position occupied by a lone pair of electrons.

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