A) lone pair-bond pair repulsion only
B) bond pair-bond pair repulsion only
C) lone pair-lone pair repulsion and lone pair-bond pair repulsion
D) lone pair-lone pair repulsion only
Correct Answer: C
Solution :
In \[Br{{F}_{3}}\] molecule, Br is \[s{{p}^{3}}\] d-hybrid, but geometry is T-shaped due to distortion of geometry from trigonal-bipyramidal to T-shaped by the involvement of lone pair-lone pair repulsion. Here |
\[{{l}_{p}}-{{l}_{p}}\] repulsion = 0 |
\[{{l}_{p}}-{{b}_{p}}\] repulsion = 4 |
\[{{b}_{p}}-{{b}_{p}}\] repulsion = 2 |
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