JEE Chemistry Practice Question
Which of the following liberates $\mathrm{O}_{2}$ upon hydrolysis?
- A.$\mathrm{Pb}_{3} \mathrm{O}_{4}$
- B.$\mathrm{KO}_{2}$
- C.$\mathrm{Na}_{2} \mathrm{O}_{2}$
- D.$\mathrm{Li}_{2} \mathrm{O}_{2}$
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