The oxidation number of phosphorus in PO_(4)^(-3) P_(4)O_(10)and P_(2)

1.	The oxidation number of phosphorus in PO_(4)^(-3) P_(4)O_(10)and P_(2)O_(7)^(4-)is
Answer» `+3` `+2` `-3` `+5` SOLUTION :`overset(+5)PO_(4)^(3-),overset(+5)P_4O_(10),overset(+5)(P_(2))O_7^(4-)`

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