For a cell given below: `Ag|Ag^(+)||Cu^(2+)|Cu` `Ag^(+)+e^(-)toAg,E^(@)=x` `Cu^(2+)+2e^(-)toCu,,E^(@)=y` ltbr. The value of `E_(cell)^(@)` is
For a cell given below:
`Ag|Ag^(+)||Cu^(2+)|Cu`
`Ag^(+)+e^(-)toAg,E^(@)=x`
`Cu^(2+)+2e^(-)toCu,,E^(@)=y` ltbr. The value of `E_(cell)^(@)` is
A. `x+2y`
B. `2x+y`
C. `y-x`
D. `y-2x`
4 views
1 Answers
Correct Answer - C
At LHS (oxidation `2xx(AgtoAg^(+)+e^(-))" "E_(cell)^(@)=-x`
`underline("At RHS" (reduction) Cu^(2+)+2e^(-)toCu" "E_(red)^(@)=+y)`
`underline(2Ag+Cu^(2+)toCu+2Ag^(+)" "E_(red)^(@)=(y-x))`
4 views
Answered