MEDIUMMCQ SINGLEJEE Advanced 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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