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Question: Answered & Verified by Expert
Which of the following species has tetrahedral geometry?
ChemistryChemical Bonding and Molecular Structure
Options:
  • A
    $\mathrm{BH}_4^{-}$
  • B
    $\mathrm{NH}_2^{-}$
  • C
    $\mathrm{CO}_3^{2-}$
  • D
    $\mathrm{H}_3 \mathrm{O}^{+}$
Solution:
2059 Upvotes Verified Answer
The correct answer is:
$\mathrm{BH}_4^{-}$
$\mathrm{BH}_4^{-} \Rightarrow 4$ bond pairs and $0$ lone pair $\rightarrow s p^3$ hybridised.
$\therefore$ Tetrahedral geometry.

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