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Oxidation number of P in PO(4)^(3-),S" i...

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

A

`+3,+6and+5`

B

`-3,+6and+6`

C

`+5,+3and+6`

D

`+5,+6and+6`

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The correct Answer is:
D
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