Oxidation number of P in PO_(4)^(3-),S" in "SO_(4)^(2-)and that of Cr – InterviewSolution

1.	Oxidation number of P in PO_(4)^(3-),S" in "SO_(4)^(2-)and that of Cr in Cr_(2)O_(7)^(2-)are respectively
Answer» `+3,+6and+5` `-3,+6and+6` `+5,+3and+6` `+5,+6and+6` ANSWER :D

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