http://olympiads.hbcse.tifr.res.in/wp-content/uploads/2024/02/IOQC2024-PartII-Questions-en.pdf WebQuestion 1. Which of the following liberates O2 upon hydrolysis? A. Pb3O4 B. KO2 C. Na2O2 D. Li2O2 Solution: (B) The reactions are as follows; A) Pb 3 O 4 + H 2 O → No reaction (due to insoluble in water) B) Superoxides liberate oxygen with water. 2KO 2 + 2H 2 O → 2KOH + H 2 O 2 + O 2 C) Na 2 O 2 + 2H 2 O → 2NaOH + H 2 O 2
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