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Can PCl3 act as an oxidising as well as reducing agent?

Can PCl3 act as an oxidising as well as reducing agent? If yes, how? Illustrate with the help of equations.

ANswer: Yes, PCl3 can act both as an oxidising agent as well as reducing agent.
It react with sulphur tri oxide to reduce it to sulphur di oxide.
PCl3 +SO3  -------------> POCl3 + SO2
It also react with metals like silver and sodium to form their chlorides.

PCl3 + 6 Na ---------------> 3 NaCl +Na3P

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