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Question: Answered & Verified by Expert
The geometry of $I_{3}^{-}$ is
ChemistryChemical Bonding and Molecular StructureMHT CETMHT CET 2012
Options:
  • A triangular
  • B linear
  • C tetrahedral
  • D T-shape
Solution:
1301 Upvotes Verified Answer
The correct answer is: linear
$\mathrm{I}_{3}^{-}$ ion is $s p^{3} d$ -hybridised. Due to the presence of two lone pair of electrons its geometry becomes linear instead of trigonal bipyramidal.

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