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The cell EMF is independent of the conce...

The cell `EMF` is independent of the concentration of the species of the cell in

A

`Fe|FeO(s)|KOH(aq)|NiO(s)|Ni_(2)O_(3)|Ni`

B

`Pt|(H_(2))|HCl|Pt(Cl_(2))`

C

`Zn|Zn^(2+)||Cu^(2+)|Cu`

D

`Hg,Hg_(2)Cl_(2)|KCl||AgNO_(3)|Ag`

Text Solution

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The correct Answer is:
A
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Find the EMF of the concentration cell represented as given below :

The electrochemical cell shown below is a concentration cell. M|M^(2+)( saturated solution of sparingly soluble salt, MX_(2))||M^(2+)(0.001 mol dm^(-3))|M The emf of the cell depends on the difference in the concentration of M^(2+) ions at the two electrodes. The emf of the cell at 298 is 0.059V . The solubility product (K_(sp),mol^(3) dm^(-9)) of MX_(2) at 298 based on the information available the given concentration cell is ( Take 2.303xxRxx298//F=0.059V)

The electrochemical cell shown below is a concentration cell. M|M^(2+)( saturated solution of sparingly soluble salt, MX_(2))||M^(2+)(0.001 mol dm^(-3))|M The emf of the cell depends on the difference in the concentration of M^(2+) ions at the two electrodes. The emf of the cell at 298 is 0.059V . The solubility product (K_(sp),mol^(3) dm^(-9)) of MX_(2) at 298 based on the information available the given concentration cell is ( Take 2.303xxRxx298//F=0.059V)