Home
Class 12
CHEMISTRY
E^(0) for the half cell Zn^(2+) // Zn i...

`E^(0)` for the half cell `Zn^(2+) // Zn ` is - 0.76 V . Emf of the cell `Zn// Zn^(2+)(1M) // //H^(+)(1M) // H_2` at 1 atm is

A

`-0.76`V

B

`+0.76` V

C

`- 0.38V`

D

`+0.38V`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise PRACTICE EXERCISE|55 Videos

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise Exercise -2 (Electrolytic conductance)|10 Videos

  • DILUTE SOLUTIONS

    AAKASH SERIES|Exercise EXERCISE - 1.2|55 Videos

  • ELEMENTS OF D - BLOCK

    AAKASH SERIES|Exercise EXERCISE - 5.2|33 Videos

Similar Questions

Explore conceptually related problems

E^(0) for the reaction Fe + Zn^(2+) to Zn + Fe^(2+) is -0.35 V . The given cell reaction is

E_(Cu^(2+)|Cu)^@ = +0.337 V, E_(Zn^(2+)| Zn)^@ = - 0.762 V. The EMF of the cell , Zn|Zn^(2+) (0.01M)||Cu^(2+) (0.01M)|Cu is

For the cell Zn|Zn^(2+) (C_1)||Zn^(2+) (C_2)|Zn . DeltaG is negative if :

The standard potential (E^(0)) for the half reaction are as Zn to Zn^(2+) + 2e^(-) , E^(0) = + 0.76 V Fe to Fe^(2+) + 2e^(-) , E^(0) = + 0.41 V . The emf for the cell reaction Fe^(2+) + Zn to Zn^(2+) + Fe is

The EMF of the following cells are Cu|Cu^(2+) (1M)||Ag^(+) (1M)|Ag, E^@ = 0.46 V Zn|Zn^(2+) (1M)||Cu^(2+) (1M)|Cu, E^@ = 1.10 V The EMF of the cell Zn|Zn^(2+)(1M)|| Ag^(+ )(1M) | Ag will be

E^@ values of Zn^(2+), Zn and Cu^(2+), Cu are respectively -0.76 V and + 0.34 . Calculate the EMF of the cell Zn//Zn^(2+) (0.1M)"//"Cu^(2+)(0.1 M)//Cu .

E^(@)Zn^(2+)//Zn = -0.77V . What is the 'E' value of the electrode containing 0.01M Zn^(2+) ions

The value of the reaction quotient ,Q for the cell Zn(s) |Zn^(2+) (0.01M)||Ag^(+)(1.25M)|Ag(s) is :

AAKASH SERIES-ELECTROCHEMISTRY -Exercise -2 (Nernst equation and EMF)
  1. EMF of a cell in terms of reduction potential of its left and right el...

    Text Solution

    |

  2. E^(0) for the half cell Zn^(2+) // Zn is - 0.76 V . Emf of the cell ...

    Text Solution

    |

  3. If the standard electrode protential of Cu^(2+)// Cu electrode is 0.34...

    Text Solution

    |

  4. The potential of hydrogen electrode is -118 mV . The H^(+) concentrati...

    Text Solution

    |

  5. The standard potential (E^(0)) for the half reaction are as Zn to Zn^...

    Text Solution

    |

  6. E^(0) for F2 + 2e^(-) to 2F^(-) is 2.8 V , E^(0) for 1//2 F2 + e^(-) ...

    Text Solution

    |

  7. Consider the following E^(0) values E(Fe^(3+) // Fe^(2+))^(0) = + 0.77...

    Text Solution

    |

  8. E^(0) for the reaction Fe + Zn^(2+) to Zn + Fe^(2+) is -0.35 V . The ...

    Text Solution

    |

  9. E.M.F of the cell reaction , 2Ag^(+) + Cu to 2Ag + Cu^(2+) is 0.46 V ...

    Text Solution

    |

  10. The EMF of the cell Ni//Ni^(2+)(0.01)// // Cl^(-)(0.01M)//Cl(2), pt i...

    Text Solution

    |

  11. The standard electrode potential of the htwo half cells are given bel...

    Text Solution

    |

  12. Aluminium displaces hydrogen from dilute HCl whereas silver does not. ...

    Text Solution

    |

  13. A cell constructed by coupling a standard copper electrode and a stand...

    Text Solution

    |

  14. The solution of nickel sulphate in which nickel rod is dipped is dilut...

    Text Solution

    |

  15. The standard reduction potentials for the two half-cell reactions are ...

    Text Solution

    |

  16. Normal aluminium electrode coupled with normal hydrogen electrode give...

    Text Solution

    |

  17. The standard EMF for the cell reaction , Zn + Cu^(2+) to Cu + Zn^(2+) ...

    Text Solution

    |

  18. At a certain temperature and at infinite dilution, the equivalent cond...

    Text Solution

    |

  19. The emf of the following three galvanic cells are respresented by E(1)...

    Text Solution

    |