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Which of the following liberates O2 upon hydrolysis?(A) Pb3O4 (B) KO2 (C) Na2O2 (D) Li2O2 |
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Answer» (B) KO2 (A) Pb3O4 is insoluble in water or do not react with water. (B) 2KO2 + 2H2O \(\rightarrow\) 2KOH + H2O2 + O2(g) \(\uparrow\) (C) Na2O2 + 2H2O \(\rightarrow\) 2NaOH + H2O2 (D) Li2O2 + 2H2O \(\rightarrow\) 2LiOH + H2O2 |
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