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Question

An oxide which gives H2O2 on treatment with dilute acid is:

A
PbO2
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B
Na2O2
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C
MnO2
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D
TiO2
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Solution

The correct option is B Na2O2
The oxide that gives H2O2 on treatment with a dilute acid is Na2O2 . Only true peroxides which have OO bond give hydrogen peroxide with dilute acids.
Na2O2+H2SO4Na2SO4+H2O2

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