Electrolysis of an aqueous solution of `AgNO_3` with silver electrodes produce __(i)___ at cathode while ___(ii)___ ions are dissolved from anode. When Pt electrodes are used ____(iii)___ is produced at anode ___(iv)___ at cathode.
A. `{:("(i)","(ii)","(iii)","(iv)"),(H_2,NO_3^(-) , OH^(-), H_2):}`
B. `{:("(i)","(ii)","(iii)","(iv)"),(Ag,H^+, O_2, H_2):}`
C. `{:("(i)","(ii)","(iii)","(iv)"),(Ag,H^(+),O_(2),Ag):}`
D. `{:("(i)","(ii)","(iii)","(iv)"),("Ag","H"^(+),"Ag"^(+),"O"_(2)):}`
