Which of the following arrangements represent increasing aoxidation nu

1.	Which of the following arrangements represent increasing aoxidation number of the central atom?
Answer» `CrO_(2)^(-),CIO_(3)^(-),CrO_(4)^(2-),MnO_(4)^(-)` `CIO_(3)^(-),CIO_(4)^(2-),MnO_(4)^(-),CrO_(2)^(-)` `CrO_(2)^(-),CIO_(3)^(-),MnO_(4)^(-),CIO_(3)^(-)` `CrO_(2)^(2-),MnO_(4)^(-),CrO_(2)^(-),CIO_(3)^(-)` Solution :`O.N of Cr "in" CrO_(2)^(-)=+3` `O.N of CI "in" CIO_(3)^(-)=+5` `O.N of Cr "in" CrO_(4)^(2)=6` `O.N of MnO_(4)^(2)=+7`

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