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

(a) Orthophosphoric acid s used in the manufacture of triple superphosphate

(b) Hypophosphorus 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

Concept Videos :-

#2 | 15th Group: Properties: II
#3 | 15th Group: Ammonia

Concept Questions :-

group 15 ,preparation and properties

Hypophosphorus acid, H3PO2, has the following structure.

As it contains only one replaceable H-atom (that is attached with O, not with P directly) so it is a monoprotic acid. All other given statements are true.

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