Sat October 20, 2012 By: Rajendran P.k.

can PCl5 act as both oxydising and reducing agent?

Expert Reply
Sat October 20, 2012
No, it acts as oxidising agent only. The oxidation state of phosphorous in PCl5 is +5.The valence shell has 5 electrons.It therefore cannot increase its oxidation state more than 5.Therefore PCl5 cannot act as a reducing agent as it cannot donate electrons.The oxidation state can be decreased to +3 by gaining electrons. There for PCl5 can act as a oxidizing agent.
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