1.

The cell potential for the unbalanced chemical reaction: Hg_(2)^(2+)+NO_(3)^(-)+H_(3)O^(+) to Hg^(2+) +HNO_(2)+H_(2)O+e^(-) Is measured under standard conditions in the electrochemical sell shown in the diagram were Equilibrium constant for cell reaction is :

Answer»

`10^(3//2)`
`e^(3/2)`
`e^(-2/3)`
`10^(2/3)`

SOLUTION :`E^(@)-(0.0591)/(n) log K_(c)`
`log K_(c)=(2 XX 0.02)/(0.06) =2/3`
`=10^(2/3)`


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