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7.16: Can PCI_{5} act as an oxidising as well as a reducing agent? Justify.

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No, PCI_{5} can not  act as a reducing agent, but it can act as an oxidising agent. In PCI_{5}, phosphorus has its highest oxidation state (+5), which cannot be increased further, but it can decrease its oxidation state and act as an oxidising agent. For example: 

Sn \:+\:\overset{+5}{\:\:2PCl_{5}}\rightarrow SnCl_{4}+\:\overset{+3}{\:2PCl_{3}}

Posted by

Pankaj Sanodiya

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