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

Oxidation number of P in `PO_(4)^(3-)`, of S in `SO_(4)^(2-)` and that of `Cr_(2)O_(7)^(2-)` are respectively

A

`-3, +6 and +6`

B

`+5, +6 and +6`

C

`+3, +6 and +5`

D

`+5, +3, and +6`

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The correct Answer is:
B
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ALLEN-REDOX REACTIONS-EXERICSE - 3
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  4. What will be the oxidation number of Fe in K(3)[Fe(CN)(6)] :-

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