p-Block elementsHard

Question

The true statement for the acids of phosphorus. H3PO2 H3PO3 and H3PO4 is.

Options

A.H3PO3 on heating does not disproportionate
B.all of them are reducing in nature
C.all of them are tribasic acids
D.H3PO2 is obtained by alkaline hydrolysis of P4 (white)

Solution

P4 + 3OH- + 3H2O →  PH3 + 3H2PO2-

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