Home
Class 12
CHEMISTRY
At 25^(@)C, the standard emf of a cell h...

At `25^(@)C`, the standard emf of a cell having reaction involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :

A

`1xx10^(-10)`

B

`29.5xx10^(-2)`

C

`10`

D

`1xx10^(10)`

Text Solution

Verified by Experts

The correct Answer is:
D

`0=0295-(0.059)/(2)logK,logK=10,K=10^(10)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISRY

    RESONANCE|Exercise CBSE Problems|34 Videos
  • ELECTROCHEMISRY

    RESONANCE|Exercise Advanced Level Problems|88 Videos
  • ELECTROCHEMISRY

    RESONANCE|Exercise Exercise 3|7 Videos
  • ELECTRO CHEMISTRY

    RESONANCE|Exercise PHYSICAL CHEMITRY (ELECTROCHEMISTRY)|53 Videos
  • EQUIVALENT CONCEPT & TITRATIONS

    RESONANCE|Exercise Part -IV|22 Videos

Similar Questions

Explore conceptually related problems

The standard emf of a cell having one electron change is found to be 0.591 V at 25^@ C , The equilibrium constant of the reaction is :

The standard e.m.f of a cell, involving one electron change is found to be 0.591 V at 25^(@) C . The equilibrium constant of the reaction is : (F=96,500C mol^(-1) : R=8.314 Jk^(-1)mol^(-1)

For a cell involving two electron change , E_(cell)^(@) = 0.3 V at 25^(@) C . The equilibrium constant of the reaction is

RESONANCE-ELECTROCHEMISRY-Part 2
  1. For a cell given below: Ag|Ag^(+)||Cu^(2+)|Cu Ag^(+)+e^(-)toAg,E^(...

    Text Solution

    |

  2. Conductance (Siemens, S) is directly proportional to the area of the v...

    Text Solution

    |

  3. At 25^(@)C, the standard emf of a cell having reaction involving two e...

    Text Solution

    |

  4. Stadard reduction electrode potentials of three metals A,B and C are r...

    Text Solution

    |

  5. Consider the following E(0) values, E(Fe^(3+)//F^(2+))^(0)=+0.77V, E...

    Text Solution

    |

  6. The limiting molar conductivities Lambda^@ for NaCL, KBr and KCI are ...

    Text Solution

    |

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

    Text Solution

    |

  8. The E(M^(3+)//M^(2+)^@ values for Cr, Mn, Fe and Co are 0.41, + 1....

    Text Solution

    |

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

    Text Solution

    |

  10. Aluminium oxide may be electrolysed at 1000^(@)C to furnish aluminium ...

    Text Solution

    |

  11. The molar conductivities Lambda(NaOAc)^@ and Lambda(HCI)^@ at infinite...

    Text Solution

    |

  12. At 25^(@)C, {:(Ag+I^(-)rarr,AgI+e,,E^(@) =0.152V),(Agrarr,Ag.^(+)+e,,E...

    Text Solution

    |

  13. Resistance of a conductvity cell filled with a solution of an electrol...

    Text Solution

    |

  14. The equivalent conductance of two strong electrolytes at infinite dilu...

    Text Solution

    |

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

    Text Solution

    |

  16. Given: E(Cr^(3+)//Cr)^(@) = -0.72V, E(Fe^(2+)//Fe)^(@)= -0.42V The p...

    Text Solution

    |

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

    Text Solution

    |

  18. The Gibbs energy for the decomposition of Al(2)O(3) at 500^(@)C is as ...

    Text Solution

    |

  19. The reduction potential of hydrogen half cell will be negative if :

    Text Solution

    |

  20. The standard reduction potential for Zn^(2+)//Zn, Ni^(2+)//Ni and Fe^(...

    Text Solution

    |