(Polar molecules, Non-polar molecules, etc.)
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In this problem, the POCl3 molecule has a tetrahedral shape. In class we learned that tetrahedral molecules always have bond angles of 109.5o and this is the correct answer in the solutions manual. However, the bond angles are not exactly 109.5 because (I assume) of the double bond that the oxygen has with the phosphorous. Because of this, should we put that the bond angles are about 109.5 or just put exactly 109.5?
Double bonds are almost negligible when finding bond angles, because we look at electron density in VSEPR, so double bonds and single bonds have the same value when calculating bond angles.
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