Q.
The oxidation state of the most electronegative element in the products of the reaction. BaO2 with dil, H2SO4 are
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IIT JEEIIT JEE 1991The s-Block Elements
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Solution:
Reaction between BaO2 and H2SO4 is as follows: BaO2+H2SO4→H2O2+BaSO4−1−2
The most electronegative element is oxygen in both the products and its oxidation state is −1 and −2 respectively, in H2O2 and BaSO4.