A dilute aqueous solution of Na(2)SO(4) ...

A dilute aqueous solution of `Na_(2)SO_(4)` is electrolyzed using platinum electrodes. The products at the anode and cathode are :

A

`O_(2),H_(2)`

B

`S_(2)O_(8)^(2-),Na`

C

`O_(2),Na`

D

`S_(2)O_(8)^(2-),N_(2)`

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