The P Block Elements - Result Question 9
####9. Which of the following statements is not valid for oxoacids of phosphorus?
[2012]
(a) Orthophosphoric acid is used in the manufacture of triple superphosphate.
(b) Hypophosphorous acid is a diprotic acid.
(c) All oxoacids contain tetrahedral four coordinated phosphorus.
(d) All oxoacids contain atleast one $P=O$ and one $P-OH$ group.
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Solution:
(b)
$(H_3 PO_2)$ is a monobasic acid. i.e., it has only one ionisable hydrogen atom or one $OH$ is
