Q29 / 150 · MHT CET 2012 · Chemistry

The geometry of $I_{3}^{-}$ is

  • A
    triangular
  • Correct answer
    B
    linear
  • C
    tetrahedral
  • D
    T-shape

Solution

$\mathrm{I}_{3}^{-}$ 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.

Hence, the correct answer is option: 'B'.

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