Oxidation state of phosphorus in pyrophosphosphate ion (P_(2)O_(7)^(-4

1.	Oxidation state of phosphorus in pyrophosphosphate ion (P_(2)O_(7)^(-4)) is
Answer» <P>`+7` `+3` `+8` `+5` SOLUTION :`P_(2)O_(7)^(-4)` `2x +7 (-2) = 4` `2x = +10 rArr X = +5`

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