Exercise with Solution-2: The VSEPR Model

Question:

Draw a correct Lewis Structure for Acetic acid CH3COOH and decide on its electron domain and molecular geometries

Solution:

Based on the rules previouly mentioned, the the correct Lewis Structure of CH3COOH is: ch3cooh-lewis

There are 3 central atoms. Therefore, the geometry around each central atom should be assigned separately.
Central Atoms
# electron domains434
Electron−domain GeometryTetrahedralTrigonal PlanarTetrahedral
Molecular GeometryTetrahedralTrigonal PlanarBent
Predicted Bond Angle109.5°< 120°< 109.5°
ch3cooh-molecular-geometry




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