Question

Predict the correct shape of $B{H}_4^{-}$ .

• A. Pyramidal, $s{p}^3$
• B. Octahedral, $s{p}^3{d}^2$
• C. Tetrahedral, $s{p}^3$
• D. None of these

Answer 1

Answer: (C)

The shape of $B{H}_4^{-}$ is tetrahedral because in $B{H}_4^{-}$ , boron is $s{p}^3$ hybridised.