Which of the following species has tetrahedral geometry?

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Question: Answered & Verified by Expert

Which of the following species has tetrahedral geometry?

ChemistryChemical Bonding and Molecular StructureAP EAMCETAP EAMCET 2020 (22 Sep Shift 2)

Options:

A $\mathrm{BH}_4^{-}$
B $\mathrm{NH}_2^{-}$
C $\mathrm{CO}_3^{2-}$
D $\mathrm{H}_3 \mathrm{O}^{+}$

Solution:

2940 Upvotes Verified Answer

The correct answer is: $\mathrm{BH}_4^{-}$

The central $B$ atom in $\mathrm{BH}_4^{-}$undergoes $s p^3$ hybridisation, which results in tetrahedral geometry with 4 bond pairs and 0 lone pairs of electrons.

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