The correct statement about
Question:

The correct statement about $\mathrm{ICl}_{5}$ and $\mathrm{ICl}_{4}^{-}$is :

  1. both are is isostructural.

  2. $\mathrm{ICl}_{5}$ is trigonal bipyramidal and $\mathrm{ICl}_{4}^{-}$is tetrahedral,

  3. $\mathrm{ICl}_{5}$ is square pyramidal and $\mathrm{ICl}_{4}^{-}$is tetrahedral.

  4. $\mathrm{ICl}_{5}$ is square pyramidal and $\mathrm{ICl}_{4}^{-}$is square planar.


Correct Option: , 4

Solution:

$\mathrm{ICl}_{5}$ is $s p^{3} d^{2}$ hybridised $(5 b p, 1 l p)$

$\mathrm{ICl}_{4}^{-}$is $s p^{3} d^{2}$ hybridised $(4 b p, 2 l p)$

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