Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Main Group Elements and Their Compounds
Which one of the following is not valid for oxoacids of phosphorous?
1
All oxoacids contain tetrahedral four-coordinate phosphorous
2
All oxoacids contain at least one P=O unit and one P-OH group
3
Orthophosphoric acid is used in the manufacture of triple superphosphate
4
Hypophosphorous acid is a diprotic acid
5
Question Not Attempted