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The true statement for the acids of phos...

The true statement for the acids of phosphorus, `H_(3)PO_(2), H_(3)PO_(2) and H_(3)PO_(4)` is

A

the order of their acidity is `H_(3)PO_(4)gtH_(3)PO_(3)gtH_(3)PO_(2)`

B

all of them are reducing in nature

C

all of them are tribasic acids

D

the geometry of phosphorus is tetrahedral in all the three.

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The correct Answer is:
D
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