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Calculate the oxidation number of (i) Cr...

Calculate the oxidation number of (i) Cr in `CrO_(4)^(2-)` (ii) C in `HCO_(3)^(-)` (iii) CI in `CIO_(4)^(-)` (iv)Cr in `Cr_(2)O_(7)^(2-)`

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The correct Answer is:
`(i)+6 (ii)+5(iii)+7(iv)+6`
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DINESH PUBLICATION-REDOX REACTIONS-Problems For Practice
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