反应Sn
(来学网)+2Fe
=Sn
+2Fe
能自发进行,将其设计为原电池,电池符号为:
- A.
(-)C│Fe
(来学网)(C
)、Fe
(C
)‖Sn
(C
)、Sn
(C
)‖Pt(+)
- B.
(-)Pt│Sn
(来学网)(C
)、Sn
+(C
)‖Fe
(C
)、Fe
(C
)‖C(+)
- C.
(+)C│Fe
(来学网)(C
)、Fe
(C
)‖Sn
(C
)、Sn
+(C
)‖Sn(-)
- D.
(+)Pt│Sn
(来学网)(C
)、Sn
(C
)‖Fe
(C
)、Fe
+(C
)‖Fe(+)