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Which of the following oxoacids of phosphorus contains a `P-P` bond?A. Hypophosphoric acidB. Pyrophosporic acidC. Pyrophosphorous acidD. Polymetaphosporic acid

Answer» Correct Answer - 1
Hyprosphoric acid is the only oxacid of phosphorus which conrtains a `P-P` bond:
`HO-underset(OH)underset(|)overset(O)overset(||)(P)-underset(OH)underset(|)overset(O)overset(||)(P)-OH`
`underset(("Pyrophosphric"),("acid"))(HO-underset(OH)underset(|)overset(O)overset(||)(P)-O-underset(OH)underset(|)overset(O)overset(||)(P)-OH)" "underset(("Pyrophosphorous"),("acid"))(HO-underset(H)underset(|)overset(O)overset(||)(P)-O-underset(H)underset(|)overset(O)overset(||)(P)-OH)`
Pyrophosphorous acid is obtained by reacting `PCl_(3)` with phosphorous acid


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