Catalytic union of H2 and O2 to get H2O...

Catalytic union of `H_2` and `O_2` to get `H_2O_2` is found in

A

Electrolysis of 50% `H_2SO_4`

B

Electrolysis of aqueous solution of `(NH_4)_2SO_4 + H_2SO_4`

C

Treating `BaO_2` with cold and dilute `H_2SO_4`

D

Auto oxidation method

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The correct Answer is:

D

Net reaction : `H_2 + O_2 to H_2O_2`

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