A.
(-)Pt│ O 2 (p) , H 2 O 2 (c 4 ) ‖ MnO 4 - (c 1 ) , Mn 2+ (c 2 ), H + (c 3 ) │Pt(+)
B.
(-)Pt, O 2 (p)│ H 2 O 2 (c 4 ) ‖ MnO 4 - (c 1 ) , Mn 2+ (c 2 ), H + (c 3 ) │Pt(+)
C.
(-)Pt, O 2 (p)│ H 2 O 2 (c 4 ) , H + (c 5 ) ‖ MnO 4 - (c 1 ) , Mn 2+ (c 2 ), H + (c 3 ) │Pt(+)
D.
(-)Pt│ MnO 4 - (c 1 ) , Mn 2+ (c 2 ), H + (c 3 ) ‖ H 2 O 2 (c 4 ) , H + (c 5 ) │ O 2 (p) , Pt (+)