When an aqueous solution of `H_(2)SO_(4)` is electrolysed, the ion discharged at anode is
When an aqueous solution of `H_(2)SO_(4)` is electrolysed, the ion discharged at anode is
A. `H^(-)`
B. `OH^(-)`
C. `SO_(4)^(2-)`
D. `O^(2-)`
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