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Arrange the followng in the increasing order of reducing character. H_(3), PO_(3), H_(3)PO_(4), H_(3)PO_(2) |
Answer» Solution :The structure of these oxoacids of P are :  The REDUCING CHARACTER of these oxoacids depends upon the number of P-H BONDS. Since `H_(3)PO_(2)` has two, `H_(3)PO_(3)` has one and `H_(3)PO_(4)` has no P-H bonds, therefore, their recucing character decreases in the order : `H_(3)PO_(2)""H_(3)PO_(3) gt H_(2) PO_(4)` In FACT, `H_(3)PO_(4)` does not act as a reducing agent. |
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