11th Class Chemistry Redox Reactions Question Bank 11th CBSE Chemistry Redox Reactions

  • question_answer
    Can the reaction, \[C{{r}_{2}}O_{7}^{2-}+{{H}_{2}}O\,\,\,\rightleftarrows \,2CrO_{4}^{2-}+2{{H}^{+}}\] be regarded as a redox reaction?


                    Oxidation number of Cr in \[C{{r}_{2}}O_{7}^{2-}=+6\] Oxidation number of Cr in \[C{{r}_{2}}O_{4}^{2-}=+6\] Since during this reaction, the oxidation number of Cr has neither decreased nor increased, therefore, the above reaction cannot be regarded as a redox reaction.

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