The pair in which phosphorusatoms have a formal oxidation state of +3i

1.	The pair in which phosphorusatoms have a formal oxidation state of +3is
Answer» orthophosphorus and pyrophosphorus acid pyrophosphorus and hypophosphoric acid orthophosphorus and hypophosphoric acid pyrophosphorus and pyrophosphoric acid Solution :Orthophosophrousacid : `overset(+1+3-2)(H_(3)PO_(3))` LET the oxidation NUMBER of P in pyrophosphorus acid be x. So, 4(+1)+2x+5(-2)=0 or ,2x=6 or, x=+3

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