Which reaction is correct of oxidation half reaction in basic medium P

1.	Which reaction is correct of oxidation half reaction in basic medium P_(4)toH_(2)PO_(2)^(-) ?
Answer» <P>`P_(4)+8OH^(-)to4H_(2)PO_(2)^(-)+4OH^(-)` `P_(4)+8H^(+)to4H_(2)PO_(2)^(-)+12H^(+)` `P_(4)+4OH^(-)to4H_(2)PO_(2)^(-)` `P_(4)+8OH^(-)to4e^(-)+4H_(2)PO_(2)^(-)` ANSWER :D

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