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What is meant by dispropoertionation of an oxidation state ? Give an example .

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Solution :When in a REACTION, the oxidation state of anelement in a COMPOUND increasesin one of the PRODUCTS and decreases in the other product, it is said to undergo disproportionation of oxidation stat. For example, in acidic solution, Mn(VI) in `MnO_(4)^(2-)` changes to Mn(VII) in the product `MnO_(4)^(2-)` and to Mn(IV) in the product `MnO_(2)` . Thus, `3overset(VI)(Mn) O_(4)^(2-) + 4H^(+) rarr 2 overset(VII)(Mn) O_(4)^(-) + 2H_(2)O`


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