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Which statements is true about a spontan...

Which statements is true about a spontaneous cell reaction in galvanic cell?

A

`E_(cell)^@ gt 0, Delta G^@ lt0,` and `Q lt K`

B

`E_(cell)^@ gt 0, Delta G^@ lt0`, and `Q lt K`

C

`E_(cell)^@ gt 0, Delta G^@ lt0`, and `Q lt K`

D

` E_(cell) gt 0, Delta G lt0`, and `Q lt K`

Text Solution

Verified by Experts

The correct Answer is:
D
For spontaneous reaction in every condition
`E_("cell") gt 0, DeltaG lt0` and `Q` (reaction quotent ) `ltK` (equilibrimu constant).
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A2Z-ELECTROCHEMISTRY-Construction And Working Of A Cell, Electrochemical Series And Its Applications
  1. The emf of given cell Pt- H2 | H^+|H2 - Pt is :

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  2. Emf of the cell Ni| Ni^(2+) ( 0.1 M) | Au^(3+) (1.0M) Au will be E...

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  3. Which statements is true about a spontaneous cell reaction in galvanic...

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  4. If the pressure of H2 gas is increase from (1) atm to 100 atm. Keepin...

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  5. For the redox change , Zn(s) + underset (0.1M)FuCu^2+ rarr underset...

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  6. The reduction prtential of hydrgen delctrode when placed I buffer solu...

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  7. The standard emf for the cell cell reaction Zn + Cu^(2+) rarr Zn^(2+)...

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  8. How many kJ of energy is spent when a currebnt of (4) amp passes for 2...

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  9. In which of the following electrochemical cell, overall cell reaction ...

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  10. The standard emf of a cell having one electron change is found to be 0...

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  11. Given,{:(E(Fe^(3+) //Fe)^o + 3e Cr E^o =- 0.036 V),(E(Fe^(3+) //Fe)^o...

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  12. In a cell that untillizes the reaction , Zn((s)) + 2 H((aq))^+ rarr ...

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  13. The thermodynamic efficiency of cell is given by

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  14. The reaction 1//2H2(g)+AgCl(s) rarr H^(o+)(aq)+Cl^(c-)(aq)+Ag(s) oc...

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  15. The reduction potential of a half-cell consisting of a Pt electrode im...

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  16. The highest electrical conductivity of the following aqueous solutions...

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  17. Given that E^@ (Zn^(2+) //Zn) =- 0.763 V and E^@ ( Cd^(2+) //Cd) = -0....

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  18. A huydrgen electrode is dipped is a solution of pH = 3.0 at 25^@C The...

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  19. Given standard electrode potentials Fe^(2+) + 2e^(-) rarr Fe, E^@ =...

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  20. The cell , Zn | Zn^(2+) (1M) || Cu^(2+) (1M) Cu (E("cell")^@ = 1. 10 V...

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