Explain the shapes of BF_3 and BH_4^-. Assign hybridisation of Boron i

1.	Explain the shapes of BF_3 and BH_4^-. Assign hybridisation of Boron in these species.
Answer» ANSWER :In `BF_3` boron is PLANAR `(sp^2) and hence it is a planar molecule. In `BF_4` boron is tetrahedrally hybridised `(sp^3)` and it is a TETRAHEDRAL ION.

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