Which of the following statements is not valid for oxoacids of phosphorus?
(1) All oxoacids contain atleast one P = O unit and one P – OH group
(2) .
(3) Hypophosphorous acid is a diprotic acid.
(4) All oxoacids contain tetrahedral four coordinated phosphorous
(1) All oxoacids contain atleast one P = O unit and one P – OH group
(2) .
(3) Hypophosphorous acid is a diprotic acid.
(4) All oxoacids contain tetrahedral four coordinated phosphorous