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Question

Which of the following liberates O2 upon hydrolysis?

A
KO2
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B
Na2O2
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C
Li2O2
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D
Pb3O4
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Solution

The correct option is A KO2
(a) Pb3O4+H2ONo reaction (due to insoluble in water)(b) Superoxides liberates oxygen with water2KO2+2H2O2KOH+H2O2+O2(c) Na2O2+2H2O2NaOH+H2O2(d) Li2O2+2H2O2LiOH+H2O2

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