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for the electrochemical cell:
`Ag|AgCl(s)|KCl(aq)||AgNO_(3)(aq)|Ag`.
The overall cell reaction is
A. `Ag^(+) + KCl to AgCl (s) + K^(+)`
B. `Ag + AgCl to Ag + (1)/(2) Cl_(2)`
C. ` AgCl(s) to Ag^(2+) + Cl^(-)`
D. `Ag^(+) + Cl^(-) to AgCl(s)`

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Correct Answer - C
`Ag Cl(s) + e^(-) to Ag + Cl^(-) (aq)`
`Ag to Ag^(+) (aq) + e^(-)`
Overall reaction : `AgCl_((s)) to Ag^(+) + Cl^(-)`

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