Question

Which of the following statements is not valid for oxoacids of phosphorus ?

• 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 at least one P = O unit and one P-OH group

Answer 1

Answer: (B)

Correct answer is (b) Hypophosphorous acid is a diprotic acid