Find the number of molecules in which atleast one non-axial d- orbital is involved in hybridization :-
XeF₅⁻, IF₇, XeF₆, XeOF₅⁻, SO₃F^-

Question

Find the number of molecules in which atleast one non-axial d- orbital is involved in hybridization :- XeF₅⁻, IF₇, XeF₆, XeOF₅⁻, SO₃F -

TestHub · Accepted Answer

XeF 5 ⁻ Steric number = 7 → sp³d³ (pentagonal bipyramidal) Non-axial d orbitals used IF 7 Steric number = 7 → sp³d³ Non-axial d orbitals used XeF 6 Steric number = 6, distorted octahedral → sp³d² with lone pair delocalized Non-axial d orbital used XeOF 5 ⁻ Steric number = 6, distorted octahedral → sp³d² + lone pair Non-axial d orbital used SO 3 F - Central atom = S Steric number = 4 Hybridization = sp³ (tetrahedral) No d-orbitals needed (S uses only s and p)

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