AIPMT PRELIMS2012Chemistry-Inorganic Chemistry
AIPMT PRELIMS 2012 Chemistry Oxoacids of Phosphorus MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements is not valid for oxoacids of phosphorus?
A
All oxoacids contain at least one P = O unit and one P – OH group
B
Orthophosphoric acid is used in the manufacture of triple superphosphate.
C
Hypophosphorous acid is a diprotic acid.
D
All oxoacids contain tetrahedral four coordinated phosphorus
Correct Answer
Option B
Detailed Explanation
Hypophosphorous acid (H₃PO₂) is monoprotic, not diprotic, as it can donate only one hydrogen ion.
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