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ChemistryChemistry
11 December, 14:34

What is the electron pair arrangement around the central atom in the molecule IF5?

A.) Trigonal pyramidal

B.) Square Planar

C.) Octahedral

D.) Square Pyramidal

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Answers (1)
  1. 11 December, 18:08
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    The correct option is: C.) Octahedral

    Explanation:

    Iodine pentafluoride (IF₅) is an inorganic interhalogen compound in which the oxidation state of iodine is + 5 and the oxidation state of fluorine is (-1).

    In this molecule, iodine is sp³d² hybridized and covalently bonded to five fluorine atoms. So there are 5 bond pair of electrons and 1 lone pair of electron around iodine.

    Thus the steric number = 6

    According to the VSEPR theory, the electron pair arrangement of a molecule with steric number 6 is octahedral.

    Therefore, electron pair arrangement around iodine in IF₅ molecule is octahedral.
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