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  4. In the reaction, H2O2 + Na2 CO3 arrow Na2O2 + CO2 + H2O the substance undergoing oxidation is

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Q. In the reaction, $H_2O_2 + Na_2 CO_3 \rightarrow Na_2O_2 + CO_2 + H_2O$ the substance undergoing oxidation is

Redox Reactions

Solution:

$ \overset{\text{+1 }}{H_2 } \overset{\text{-1 }}{O_2 } +Na_2 \overset{\text{+4 }}{C} \overset{\text{ -2 }}{O_3} \rightarrow Na_2 \overset{\text{-1 }}{ O_2 } + \overset{\text{+4}}{C} O_2 + \overset{\text{+1}}{H_2} \overset{\text{-2}}{O} $
None of the element changes its O.N. and hence option (b) is correct.