Home
Class 12
CHEMISTRY
The EMF of the cell Ni |Ni|Ni^(2+) ||Cu^...

The EMF of the cell Ni `|Ni|Ni^(2+) ||Cu^(2+) |Cu(s)` is `0.59 ` volt. The standard reduction electrode potential fo copper electrode si `0.34` volt. The standard reduction electorde ptential of nickel electrode will be.

A

` 0. 25 ` volt

B

` -0. 25 k J`

C

` 10 6 . 15 k J`

D

` 53 . 07 k J`

Text Solution

Verified by Experts

The correct Answer is:
B
` -x = 0.59`
`x=0.3.4 - 0.59 =- 0.25 V`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    A2Z|Exercise Section B - Assertion Reasoning|22 Videos

  • ELECTROCHEMISTRY

    A2Z|Exercise AIPMT/NEET Questions|35 Videos

  • ELECTROCHEMISTRY

    A2Z|Exercise Fuel Cell And Batteries|10 Videos

  • COORDINATION COMPOUNDS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF METALS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

The standard EMF of the cell : Ni| Ni^(2+)||Cu^(2+)|Cu is 0.59 volt The standsard elctrode potential (reduction potential of copper electrode is 0.34 volt . Calculate the standsard electrode potential of nickel electrode

If the standard electrode poten tial of Cu^(2+)//Cu electrode is 0.34V. What is the electrode potential of 0.01 M concentration of Cu^(2+) ?

The standard electrode potential of Cu|Cu^(+2) is - 0.34 Volt. At what concentration of Cu^(+2) ions, will this electrode potential be zero?

A2Z-ELECTROCHEMISTRY-Construction And Working Of A Cell, Electrochemical Series And Its Applications
  1. The standared reduction potntial E^o for the half-reactions are as. ...

    Text Solution

    |

  2. The gasX at 1 atm is bubbled through a solution containing a mixture o...

    Text Solution

    |

  3. The EMF of the cell Ni |Ni|Ni^(2+) ||Cu^(2+) |Cu(s) is 0.59 volt. The...

    Text Solution

    |

  4. The standard EMF of a Daniell cell is 1.10 volt. The maximum electric...

    Text Solution

    |

  5. The standard potentials at 298 K for the following halfreactions are a...

    Text Solution

    |

  6. The standard oxidation potentials of Ze and Ag in water at 25^@C are ...

    Text Solution

    |

  7. Given that E^o values of Ag^+//Ag, K^+//K, Mg^(2+)//Mg and Cr^(3+) //C...

    Text Solution

    |

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

    Text Solution

    |

  9. The following facts are availabel : 2A^(c-)+B(2) rarr 2B^(-)+A(2), ...

    Text Solution

    |

  10. MnO4^(-) + 8H^(=) + 5e^(-) rarr Mn^(2+) + 4 H2 O If H^(+) concentra...

    Text Solution

    |

  11. Saturatd solution of KNO3 is used to mke salt bridge because .

    Text Solution

    |

  12. The electrode potential becomes equal to standard electrode potential ...

    Text Solution

    |

  13. Delta G^@ of the cell reaction AgCl (s) = 1/2 H2 (g) =Ag(s) H^+ + Cl...

    Text Solution

    |

  14. The emf of given cell Pt- H2 | H^+|H2 - Pt is :

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |