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Question
Give the preparation of the following:
PCl3
Short Answer
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Solution
In the lab, phosphorus trichloride can be made by heating red phosphorus and then passing dry chlorine gas over it.
\[\ce{P4 + 6Cl2 -> 4PCl3}\]
It may also be prepared by treating phosphorus with thionyl chloride.
\[\ce{P4 + 8SOCl2 -> 4PCl3 + 4SO2 + 2S2Cl2}\]
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Chapter 7: p-Block Elements - LONG ANSWER TYPE QUESTIONS [Page 450]
