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Which of the following reactions does not involve either oxidation or reduction ?A. `VO^(2+)rarrV_(2)O_(3)`B. `NararrNa^(o+)`C. `CrO_(4)^(2-)rarrCr_(2)O_(7)^(2-)`D. `Zn^(2+)rarrZn` |
Answer» Correct Answer - C `overset(+6)(Cr)O_(4)^(2-)rarroverset(+6)(Cr_(2))O_(7)^(2-)` Since oxidation state of `Cr` in both reactant and product is same. |
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