Question

sp3d2 hybridization is not displayed by :
(1) BrF5
(2) SF6
(3) [CrF6]3−
(4) PF5

Answer 1

I think 4) PF5 it has 5 bond pair and 0 lone pair so hybridisation is sp3d

Answer 2

Hey dear,

● Answer -
(4) PF5

● Explaination -
- sp3d2 hybridization refers to 6 sets of electron pairs depicting octahedral structure.
- In PF5, central P atom bears only 5 electron pairs which corresponds sp3d hybridization showing triangular bipyramidal structure.
- Therefore, PF5 doesnt display sp3d2 hybridization.

[Refer to attached image for more information on this topic.]


Hope this helps you.
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