Home
Class 12
CHEMISTRY
The standard emf of the cell reaction 2 ...

The standard emf of the cell reaction `2 Cu^+ (aq) rarr Cu(s) + Cu^(+2) (aq) ` is 0.36 volt at `298 k`.The equilibrium constant for the reaction is :

A

`5 xx 10^6`

B

`1.4 xx 10^6 `

C

`1.4 xx 10^2`

D

`1.29`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • D AND F BLOCK ELEMENTS

    SHARAM PUBLICATION|Exercise EXERCISE|72 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    SHARAM PUBLICATION|Exercise EXERCISE|82 Videos

Similar Questions

Explore conceptually related problems

At 25^@C , the standard emf of cell having reactions involving two electron change is found to be 0.295V. The equilibrium constant of the reaction is :

The standard emf of a galvanic cell involving 2 moles of electrons in its redox reaction is 0.59 V . The equilibrium constant for the redox reaction of the cell is

The standard emf for the cell reaction, Zn+Cu^(2+) =Cu+Zn^(2+) is 1.10 volt at 25^@C . The emf for the cell reaction, when 0.1MCu^(2+) and 0.1 MZn^(2+) solutions are used , at 25^@C is:

The standard reduction potential for the reaction, 2Cu^(2+) + 2e^- rarr Cu is +0.34 V. the standard electrode potential for the reaction, 2Cu^(2+) + 4e rarr 2Cu will be

Complete the chemical reaction. Cu_2S + Cu_2O rarr

If at 25^@C , the standard emf of the cell |Zn(s)| Zn^2+ (1M) || Cu^2(0.1 M) | Cu (s) is 1.3 volt, calculate the emf of the cell.

Calculate the standard cell potential of a galvanic cell in which the following reaction takes place 2Cr(s) + 3Cd^(2+) ( aq) rarr 2Cr^(3+) ( aq) + 3Cd(s) Calculate Delta_( r) G^(@) and equilibrium constant K of the above reaction at 25^(@)C . [Given, E_(Cr^(3+) //Cr)^(@) = - 0.74 V, E_(Cd^(2+)//Cd)^(@) = - 0.40V, 1F = 96500 C "mol"^(-1)]

SHARAM PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. lambda CH3 COONa = 224 ohm^(-1) cm^2 / gm equiv., lambda NaCl = 38.2...

    Text Solution

    |

  2. For a spontaneous reaction of a cell, which is the correct ?

    Text Solution

    |

  3. The standard emf of the cell reaction 2 Cu^+ (aq) rarr Cu(s) + Cu^(+...

    Text Solution

    |

  4. The specific conductivity of 0.1 N kCl solution is 0.0129 ohm^(-1) cm^...

    Text Solution

    |

  5. The standard emf of the cell Zn | Zn^2+ || Fe^2+ | Fe if electrode pot...

    Text Solution

    |

  6. The number of electrons required to deposit 1 gram atom of aluminium (...

    Text Solution

    |

  7. The equilibrium constant for the reaction Cu(s) + 2Ag^+ (aq) rarr ...

    Text Solution

    |

  8. The unit of specific conductivity is

    Text Solution

    |

  9. Equivalent conductances of NaCl , HCl and C2 H5 COONa at infinite dilu...

    Text Solution

    |

  10. The standard reduction potentials of Cu^(2+)/Cu and Cu^(2+)/Cu^+ are 0...

    Text Solution

    |

  11. E^@ Fe //Fe^(2+) = 0.44 whereas E^@ Cu // Cu^2+ = -0.32 v Then

    Text Solution

    |

  12. The charge required for the reduction of 1 mol MnO4^(-) to MnO2 is

    Text Solution

    |

  13. Which one of the following is not the function of a salt bridge ?

    Text Solution

    |

  14. The equivalent conductance of M//32 solution of a weak monobasic acid ...

    Text Solution

    |

  15. Which of the following electrolytic solutions has the least specific c...

    Text Solution

    |

  16. Which one of the following solutions will have highest conductivity ?

    Text Solution

    |

  17. The limiting molar conductivities ^^ ^@ for NaCl , KBr and KCl are 12...

    Text Solution

    |

  18. 9.65 C of electric current is passed through fused an hydrous MgCl2 .T...

    Text Solution

    |

  19. What will be the pH of aqueous solution of electrolyte in the electrol...

    Text Solution

    |

  20. A silver cup is plated with silver by passing 965 C of electricity. Th...

    Text Solution

    |