ElectrochemistryHard

Question

KCl  can be used in salt bridge as electrolyte in which of the following cells?

Options

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

Solution

KCl can make precipitate with AgNO3, Pb(NO3)2 so can′t be used along these electrolyte.

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