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Is C3H6O Acetone Polar or NonPolar
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To determine if C3H6O (Acetone) is a polar or non-polar molecule we need to look at the Lewis structure, molecular geometry, and the electronegativity of the atoms in C3H6O. • Acetone is also called 2-Propanone and Propan-2-one. • We start with the Lewis Structure and look and the polarity of the individual bonds in C3H6O based on the electronegativity difference between atoms. Then we will use VSEPR to determine the shape of the molecule and look at how the shape of the molecule allows us to determine if the entire molecule is polar or nonpolar. • If you look at the Lewis structure for C3H6O it does not appear a symmetrical molecule. However, to determine if C3H6O is polar we must consider the molecular geometry. A polar molecule results from an unequal/unsymmetrical sharing of valence electrons. In Acetone the sharing is not equal and there is a net dipole. Therefore, C3H6O is a polar molecule. • Get more chemistry help at http://www.breslyn.org . • More Learning Resources • • Polar and Non-Polar Tutorial: • Polar, Non-Polar, and Ionic Compounds... • • Drawing Lewis Structures: • Lewis Structures for Covalent Molecul... • • Determining Molecular Geometry: • Molecular Geometry: Rules, Examples, ... • • Periodic Table with Electronegativity Values: https://en.wikipedia.org/wiki/Electro...) • Visualization done with MolView (a free molecular viewer app): https://molview.org/ • Drawing/writing done in InkScape (www.InkScape.org). Screen capture done with Camtasia Studio 4.0. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo).
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