Chemistry - Complete s-block Question with Solution | TestHub

ChemistryComplete s-blocks-block IAMedium2 minPYQ_2020

ChemistryMediumsingle choice

Which of the following liberates $O_{2}$ upon hydrolysis?

Answer:

Solution:

$(A)$ ${Pb}_{3} O_{4} + H_{2} O \to$ No reaction

$(B)$ $2 {KO}_{2} + 2 H_{2} O \to 2 KOH + H_{2} O_{2} + O_{2}$

$(C)$ ${Na}_{2} O_{2} + 2 H_{2} O \to 2 NaOH + H_{2} O_{2}$

$(D)$ ${Li}_{2} O_{2} + 2 H_{2} O \to 2 LOH + H_{2} O_{2}$

Stream:JEE_ADVSubject:ChemistryTopic:Complete s-blockSubtopic:s-block IA

⏱ 2mℹ️ Source: PYQ_2020

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