The ion that has sp3d2 hybridization for the central atom is:
[ICl4]-
[ICI2]-
[IF6]-
[BrF2]-
[ICI4]-
Steric Number formula:-
S= No. of monovalent surrounding atom
V=No. of valent electon of the central atom
C=Charge on the molecule
If steric No=6 then hybridisation=sp3d2
so, ans is [ICI4]-
[ICl4]-
Option 2)[ICI2]-
Option 3)[IF6]-
Option 4)[BrF2]-
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