Which of the following liberates O 2 upon hydrolysis?

Q: Which of the following liberates O 2 upon hydrolysis?

A Pb 3 O 4 + H 2 O → No reaction ( B ) 2 KO 2 + 2 H 2 O → 2 KOH + H 2 O 2 + O 2 ( C ) Na 2 O 2 + 2 H 2 O → 2 NaOH + H 2 O 2 ( D ) Li 2 O 2 + 2 H 2 O → 2 LOH + H 2 O 2

Question

Accepted Answer

A   Pb 3 O 4 + H 2 O &#8594; No reaction ( B )   2 KO 2 + 2 H 2 O &#8594; 2 KOH + H 2 O 2 + O 2 ( C )   Na 2 O 2 + 2 H 2 O &#8594; 2 NaOH + H 2 O 2 ( D )   Li 2 O 2 + 2 H 2 O &#8594; 2 LOH + H 2 O 2

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