A) By the action of \[{{H}_{2}}{{O}_{2}}\] on \[Ba{{O}_{2}}\]
B) By the action of \[{{H}_{2}}S{{O}_{4}}\] on \[N{{a}_{2}}{{O}_{2}}\]
C) By electrolysis of 50% \[{{H}_{2}}S{{O}_{4}}\]
D) By burning hydrogen in excess of oxygen
Correct Answer: C
Solution :
Electrolysis of 50% sulphuric acid gives per disulphuric acid \[({{H}_{2}}{{S}_{2}}{{O}_{8}})\] which on distillation yields 30% solution of hydrogen peroxide.
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