Home
Class 12
CHEMISTRY
A variable, opposite external potential(...

A variable, opposite external potential`(E_(ext)` is applied to the cell :`Zn|Zn^(2+)(1M)||Cu^(2+) (1M)|Cu, ` of potential 1.1 V.respectively electrons flow from :

A

anode to cathode in both cases

B

anode to cathode and cathode to anode

C

cathode to anode in both cases

D

cathode to anode and anode to cathode.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Batteries|10 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Thermodynamics in Electrochemistry|22 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Galvanic Cell and Salt Bridge|85 Videos

  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos

  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

Similar Questions

Explore conceptually related problems

Calculate the standard free energy change for the reaction : Zn(s)|Zn^(2+)(1 M)||Cu^(2+)(1 M)|Cu(s) Given E_(cell)^(@)=1.10" V " .

Write down the half cell reactions and cell reaction for Daniell cell. Zn(s)|Zn^(2+)(aq)(1M) || Cu^(2+)(aq)(1M)/Cu(s)

Assertion (A): For a Daniell cell : Zn|Zn^(2+)||Cu^(2+)|Cu with E_(cell)=1.1V , the application of opposite potential greater than 1.1V results into the flow of electron from cathod to anode.

GRB PUBLICATION-ELECTROCHEMISTY-Latimer Diagram, concentration cells
  1. Ni(s) + Cu^(2+)(aq) rightarrow Ni^(2+)(aq) + Cu(s) The voltaic cell ...

    Text Solution

    |

  2. For which of these oxidation/reduction pairs will the reduction potent...

    Text Solution

    |

  3. A variable, opposite external potential(E(ext) is applied to the ce...

    Text Solution

    |

  4. For the galvanic cell: Ag(s) | AgBr(aq) | Br^(-)(aq) || Cl^(-)(aq)| ...

    Text Solution

    |

  5. At 298 K, the standard reduction potential are: 1.33 V for Cr(2)O(7)^(...

    Text Solution

    |

  6. Which of the given cells are concentration cells? (P) Pt|H(2)(p(1)ba...

    Text Solution

    |

  7. In given galvanic cell, Pt|H-(2)(g) | NaCl(aq)|| AgNO(3)(aq)| Ag o...

    Text Solution

    |

  8. At 298 K, the standard reduction potentials are 1.51 V for MnO(4)^(-) ...

    Text Solution

    |

  9. Latimer diagram for Cu in an acidic solution is: Cu^(+2) overset(+0....

    Text Solution

    |

  10. The reduction of O(2) to H(2)O in acidic solution has a standard reduc...

    Text Solution

    |

  11. Pt(s), H(2)(g) |HCl(C(1))||HCl(C(2)|H(2),Pt(s) The emf of cell is at...

    Text Solution

    |

  12. Given the two standard reduction potentials below, what is the K(sp) o...

    Text Solution

    |

  13. An increase in pH will promote which of the reactions below? (P) 2Mn...

    Text Solution

    |

  14. Cu^(2+)(aq) + Zn(s) rightarrow Cu(s) + Zn^(2+)(aq), E^(@) = 1.1V Zn^...

    Text Solution

    |

  15. The EMF of the following cell: Zn| Zn^(2+)(0.1M) || Cl^(-)(0.01M) | ...

    Text Solution

    |

  16. The standard reduction potential of Cd^(2+)(aq) is -0.402V. A voltai...

    Text Solution

    |

  17. The cell potential for the voltaic cell depicted (according to IUPAC) ...

    Text Solution

    |

  18. A standard voltaic cell is constructed using Cu metal in 1.0 M Cu(NO(3...

    Text Solution

    |

  19. MnO(4)^(-) + 5Fe^(2+) + 8H^(+) rightarrow Mn^(2+) + 5Fe^(3=) + 4H(2)O ...

    Text Solution

    |

  20. Given the reactions and data below, what is the K value for this elect...

    Text Solution

    |