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Question: In lab \(H_{2}O_{2}\) is prepared by....

In lab H2O2H_{2}O_{2} is prepared by.

A

Cold H2SO4+BaO2H_{2}SO_{4} + BaO_{2}

B

HCl+BaO2HCl + BaO_{2}

C

Conc.H2SO4+Na2O2H_{2}SO_{4} + Na_{2}O_{2}

D

H2+O2H_{2} + O_{2}

Answer

Cold H2SO4+BaO2H_{2}SO_{4} + BaO_{2}

Explanation

Solution

H2SO4+BaO2→BaSO4+H2O2H_{2}SO_{4} + BaO_{2} \rightarrow BaSO_{4} + H_{2}O_{2}