What is the molecular geometry of the H3O+ ion?Group of answer choicessquare planartetrahedralT-shapedtrigonal planartrigonal pyramidal
Question
What is the molecular geometry of the H₃O⁺ ion?
- Group of answer choices:
- square planar
- tetrahedral
- T-shaped
- trigonal planar
- trigonal pyramidal
Solution
The molecular geometry of the H3O+ ion is tetrahedral.
Here's a step-by-step explanation:
-
First, we need to determine the central atom, which is Oxygen (O) in this case.
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Next, we count the total number of atoms directly attached to the central atom. Here, we have three Hydrogen (H) atoms and one lone pair of electrons.
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The presence of three atoms and one lone pair around the central atom gives us a steric number of 4.
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According to the VSEPR (Valence Shell Electron Pair Repulsion) theory, a molecule with a steric number of 4 will have a tetrahedral shape.
So, the molecular geometry of H3O+ is tetrahedral.
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