
Concept explainers
Interpretation:
The molecular shapes of ethanol, needs to be identified.
Concept introduction:
Molecular shape is important in defining how the molecule relates and reacts with other molecules.
According to VSEPR theory, there are five main shapes of simple molecules for illustrations: linear, tetrahedral, trigonal planer, octahedral and trigonal bipyramidal.

Answer to Problem 13STP
The correct answer is (C) tetrahedral and bent.
Explanation of Solution
The structural formula of ethanol is as follows:
In the above structure, carbon atom is sp3 hybridized and occupy tetrahedral shape.
The ball and stick model of the ethanol is as follows:
Here, due to lone pair of electrons on the oxygen atom, the shape of the molecule is shown bent.
So, the correct answer is (C) tetrahedral and bent.
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