51.
The Daniel Cell is
A:
PtI(s)/ Zn(s)/ Zn2+(aq) // Cu2+(aq)/ Cu(s)/ PtII(s)
B:
PtI(s)/ Zn(s)/ Zn2+(aq) // Ag+(aq)/ Ag(s)/ PtII(s)
C:
PtI(s)/ Fe(s)/ Fe2+(aq) // Cu2+(aq)/ Cu(s)/ PtII(s)
D:
PtI(s)/ H2(s)/ H2SO4(aq) // Cu2+(aq)/ Cu(s)/ PtII(s)
The answer is:
A