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For a cell reaction involving a two-elec...

For a cell reaction involving a two-electron change, the standard e.m.f. of the cell is found to be 0.295 V at `25^@C` . The equilibrium constant of the reaction at `25^@C` will be

A

`1 xx 10^(-10)`

B

`29.5 xx 10^(-2)`

C

10

D

`1 xx 10^10`

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The correct Answer is:
D
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AAKASH SERIES-REVISION EXERCISE -ELECTROCHEMISTRY
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  2. E(Cu^(2+)|Cu)^@ = +0.337 V, E(Zn^(2+)| Zn)^@ = - 0.762 V. The EMF of...

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  6. Given the data at 25^@C Ag + I^(-) to AgI + e^(-) , E^@ = 0.152V ...

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  7. The potential of the cell containing two hydrogen electrodes as repres...

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  8. For the following cell Zn//Zn^(2+) // Cd^(2+) // Cd E("cell") = ...

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  9. The standard reduction potentials for two reactions are given below: ...

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  10. What is the approximate quantity of electricity in 500 ml 1M AgNO3 aq...

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  12. If the number of moles of electrons involved in a reaction is doubled ...

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  13. The standard EMF of Daniel cell is 1.10 volt. The maximum electrical w...

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  14. If the Pb^(2+) concentration is maintained at 1.0M what is the [Cu^(2+...

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  15. The standard e.m.f. for the cell reaction, 2Cu^(+)(aq) to Cu(s) + ...

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  16. The standard e.m.f. of a galvanic cell involving cell reaction with n ...

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  17. Standard electrode potentials of Fe^(2+) + 2e to Fe and Fe^(3+) + 3...

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  18. The standard Potentials at 25^@C for the half reactions are given agai...

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  19. For the cell , Hg,Hg2 Cl2//Cl^(-)(0.1M)//Cl^(-)(0.01M)//Cl2, Pt E("cel...

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  20. For the following cell reaction, Ag | Ag^(+) | AgCl | Cl^(-) | Cl(2) ,...

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