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Explain hybri...

Question

Explain hybridization of {I₃}^-

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Solution

Iodine having valence electrons as 5s2, 5p5, will also have access to the 5d sublevel, thus allowing for more than 8 electrons. I3- is sp3d hybridized and contains 3 lone pairs and 2 bonding pairs of valence electrons around the Iodine. The VSEPR predicts the linear shape.

Three of the sp3d orbitals are occupied by 3 lone pairs and the other two orbitals form bonds with the other Iodine atoms.'

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