1.

दिए गए सैल , `Ag|Ag^(+)||Cu^(2+)|Cu` के लिए `Ag^(+)+e^(-)to Ag, E^(@)=x` `Cu^(2+)+2e^(-)to Cu, E^(@)=y`. `E_("सैल")^(@)` है -A. `x+2y`B. `2x+y`C. ` y-x`D. ` y-2x`.

Answer» Correct Answer - C
`E_("सैल")^(@)=E_(R)^(@)-E_(L)^(@)=E-(Cu^(2+)//Cu)^(@)-E_(Ag^(+)//Ag)^(@)=y-x`.


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