The correct shape and I-I-I bond angles respectively in $mathrm{I}_{3}^{-}$ion are :

Question:

The correct shape and I-I-I bond angles respectively in $\mathrm{I}_{3}^{-}$ion are :

  1. Trigonal planar; $120^{\circ}$

  2. Distorted trigonal planar; $135^{\circ}$ and $90^{\circ}$

  3. Linear; $180^{\circ}$

  4. T-shaped; $180^{\circ}$ and $90^{\circ}$

Correct Option: , 3

Solution:

$\mathrm{I}_{3}^{-} \mathrm{sp}^{3} \mathrm{~d}$ hybridisation (2BP + 3L.P.) Linear geometry

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