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 AKO2 (a)Pb3O4+H2O→No reaction (due to insoluble in water)(b)Superoxides liberates oxygen with water2KO2+2H2O→2KOH+H2O2+O2(c)Na2O2+2H2O→2NaOH+H2O2(d)Li2O2+2H2O→2LiOH+H2O2