Ncert Exercises & Solutions

The geometry of a complex species can be understood from the knowledge of the type of hybridization of orbitals of the central atom. The hybridization of orbitals of a central atom in ${[B ({OH}_{4})]}^{-}$ and the geometry of the complex are respectively

1. sp³, tetrahedral

2. sp³, square planar

3. sp³d², octahedral

4. dsp², square planar

Hint: The geometry of boron in [B(OH)₄]^- is tetrahedral.

Structure of

{[B ({OH}_{4})]}^{-}

Hybridisation-sp³

Geometry-Tetrahedral

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