The H-O-H bond angles in H_3O^+ are approxima | vedclass

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(D) In $H_3O^+$,the oxygen atom is bonded to three hydrogen atoms and has one lone pair of electrons.Using the formula for steric number: $Steric \ Nu

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$sp^3-$ hybrid orbital

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(D) In $H_3O^+$,the oxygen atom is bonded to three hydrogen atoms and has one lone pair of electrons.Using the formula for steric number: $Steric \ Number = \frac{1}{2} [V + M - C + A] = \frac{1}{2} [6 + 3 - 1 + 0] = 4$.$A$ steric number of $4$ corresponds to $sp^3$ hybridization.The geometry is pyramidal with a bond angle of approximately $107^\circ$ due to the presence of one lone pair,which causes repulsion.Therefore,the orbitals used by oxygen are $sp^3$ hybrid orbitals.

The $H-O-H$ bond angles in $H_3O^+$ are approximately $107^\circ$. The orbitals used by oxygen in these bonds are best described as

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