1.

Which of the following statements is not valid for oxo-acids of phoshorus?

Answer»

Hypopphosphorus acid is a DIPROTIC acid
All oxo--acid CONTAINS atleast one `P=O` unit and one `P-OH` GROUP
Orthophosric acid is used in the manufacture of triple superphosphate
All oxo-acid CONTAIN tetrahedral four coordinate phosphorus

Solution :Hypophosphorus acid is MONOPROTIC acid as only one `H` is attached on oxygen atom. `H` atoms attached on `O` are ionisable.


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