MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions
Which one of the following statements is not valid for oxoacids of phosphorous? (Manipal 2012)
A.Orthophosphoric acid is used in the manufacture of
B.Hypophosphorous acid is a diprotic acid✓ Correct
C.All oxoacids contain tetrahedral four coordinated
D.All oxo-acids contain at least one P = O unit and
Explanation
Hypophosphorous acid H₃PO₂ has the following structure. As, it contains only one replaceable H-atom (that is attached with O, not with P directly) so it is a monoprotic acid.
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