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

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Zn|ZnCl2||AgNO3|Ag

Pb|Pb(NO3)2||Cu(NO3)2|Cu

Cu|CuSO4||AuCl3|Au

Fe|FeSO4||Pb(NO3)2|Pb

answer is C.

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Detailed Solution

KCl can make precipitate with AgNO3,Pb(NO3)2 so can't be used along these electrolytes.

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