What is the shape of I_3^{-} ion? | vedclass

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(B) The central iodine atom in the $I_3^{-}$ ion is surrounded by $3$ lone pairs and $2$ bond pairs,resulting in a total of $5$ electron pairs.Accordi

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Linear

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(B) The central iodine atom in the $I_3^{-}$ ion is surrounded by $3$ lone pairs and $2$ bond pairs,resulting in a total of $5$ electron pairs.According to $VSEPR$ theory,this corresponds to $sp^3d$ hybridization with a trigonal bipyramidal electron geometry.Since the $3$ lone pairs occupy the equatorial positions to minimize repulsion,the remaining $2$ iodine atoms occupy the axial positions,resulting in a linear molecular geometry.Hence,the correct option is $B$.

What is the shape of $I_3^{-}$ ion?

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