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Calculate oxidation number of : (i) ...

Calculate oxidation number of :
(i) Cr in `Cr_(2)O_(4)^(2-)`
(ii) O in `Ko_(2) `
(iii)Na in `Na_(2) O_(2) `.

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CBSE COMPLEMENTARY MATERIAL-REDOX REACTIONS -3-MARKS QUESTIONS
  1. Calculate oxidation number of : (i) Cr in Cr(2)O(4)^(2-) (ii) O ...

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