The central oxygen atom is a state of sp3 hybridization having only one available lone pair.
What is hybridization?
The term hybridization refers to the mixing of two or more atomic orbitals to yield hybrid orbitals that are suitable for bonding.
Looking at the ion H3O^+, we can see that the central oxygen atom is a state of sp3 hybridization having only one available lone pair. The image of the ion is shown here.
Learn more about hybridization in ions:https://brainly.com/question/16556024
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