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Ground state, promoted state, and hybridized state diagrams for BrF5. Thanks

Ground state, promoted state, and hybridized state diagrams for BrF5. Thanks

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Answer #1

Ground state of Br in BrF5 is

[Ar] 4s23d104p5

So in terms of electron distribution it is

Br has seven valence electrons of which five are used to form covalent bonds to the 5F atoms; that leaves a lone pair.

The ground state is

Ground State 4s 4p 4d

On getting excited it goes to the promoted state where one electron has been promoted to 4d

Excited State 4s 4p 4d

Since it binds to 5 F it has a octahedral structure with one of the orbitals being occupied by a lone pair. So the hybridization is sp3d2 the hybridized state is

Hybridized State 4s 4p 4d

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