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All the following can give hydrogen peroxide when they react with water except

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By Expert Faculty of Sri Chaitanya
a
PbO2
b
KO2
c
Na2O2
d
BaO2
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detailed solution

Correct option is A

PbO2 does not contain a peroxo linkage, it cannot give H2O2. Option 2- superoxide;  Option 3,4- peroxides;Super oxides react with water to give hydroxide, hydrogen peroxide and oxygen;Peroxides react with water to give hydroxide and hydrogen peroxide;


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