Question

KCl can be used in salt bridge as an electrolyte in which
of the following cells?
(a) Zn | ZnCl2 || AgNO3 | Ag
(b) Pb | Pb(NO3)2 || Cu(NO3)2 | Cu
(c) Cu| CuSO4 || AuCl3 | Au
(d) Fe FeSO4 || Pb(NO3)2 | Pb
​

Answer 1

Answer:

B or D is the right answer