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Question
Write a balanced equation for the hydrolytic reaction of PCl5 in heavy water.
Solution
`PCl_5 + D_2O -> POCl_3 + 2DCl_2`
`POCl_3 + 3D_2O -> D_3PO_4 + 3DCl`
Therefore, the net reaction can be written as
`PC_5 + 4D_2O -> D_3PO_4 + 5DCl`
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