Which of the following arrangements represent increasing oxidation num

1.	Which of the following arrangements represent increasing oxidation number of the central atom ?
Answer» `CrO_(2)^(-),CIO_(3)^(-),CrO_(4)^(-2),MnO_(4)^(-)` `CIO_(3)^(-),CrO_(4)^(-2),MnO_(4)^(-),CrO_(2)^(-)` `CrO_(2)^(-),CIO_(3)^(-),MnO_(4)^(-),CrO_(4)^(-2)` `CrO_(4)^(-2),MnO_(4)^(-),CrO_(2)^(-),CIO_(3)^(-)` Solution :`overset(+3)(CrO_(2)^(-)),overset(+5)(CIO_(3)^(-)),overset(+6)(CrO_(4)^(-2)),overset(+7)(MnO_(4)^(-))`

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