MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions

In which of the following, oxidation state of phosphorus is +3? (JIPMER 2019)

A.Orthophosphoric acid

B.Pyrophosphoric acid

C.Orthophosphrous acid✓ Correct

D.Meta Phosphoric acid

Explanation

The Structure and oxidation state of oxoacids of phosphorus are as follows: Thus, oxidation state of orthophosphorous acid is +3.

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