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Describe the shapes of BF3 and BH4^(-). ...

Describe the shapes of `BF_3` and `BH_4^(-)`. Assign the hybridization of boron in these species.

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`to` Shape of `BF_3` molecule is Trigonal planar
Hybridisation of .B. in `BF_3` is `sp^2`
`to` Shape of `BH_4^(-)` molecule is Tetrahedral
Hybridisation of .B. in `BH_4^-` is `sp^3`
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