Home
Class 12
CHEMISTRY
The cell potential (E) and the free ener...

The cell potential (E) and the free energy change `(Delta G)` accompanying an electrochemical reaction are related by

A

`Delta G = n F "log" E`

B

`Delta G = n FE`

C

`-Delta G = n FE`

D

`- Delta G = n F " log" E`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    OP TANDON|Exercise One or more than correct answer|19 Videos

  • ELECTROCHEMISTRY

    OP TANDON|Exercise Assertion- Reason|27 Videos

  • ELECTROCHEMISTRY

    OP TANDON|Exercise OBJECTIVE TYPE QUESTION (LEVEL -A)|194 Videos

  • COORDINATION COMPOUNDS

    OP TANDON|Exercise SBJECTIVE TYPE|96 Videos

  • HALOALKANES AND HALOARENES

    OP TANDON|Exercise Single Interger answer type questions|14 Videos

Similar Questions

Explore conceptually related problems

The free energy change, Delta G = 0, when

Energy changes accompanying the chemical reactions can take place

How is cell potential related to the free energy change? State meaning of each term used.

The free energy change due to a reaction is zero when

For a chemical reaction, the free energy change (DeltaG) is negative. The reaction is

The free energy change the due to a reaction is zero when

Free energy change is related to enthalpy and entropy changes as:

Ths standard free energy change Delta G^(@) is related to K (equilibrium constant ) as

OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -B)
  1. A current of 2.0A passed for 5 hours through a molten metal salt depos...

    Text Solution

    |

  2. When water is electrolysed, hydrogen and oxygen gas are produced. If 1...

    Text Solution

    |

  3. The cell potential (E) and the free energy change (Delta G) accompanyi...

    Text Solution

    |

  4. The units of conducivity are :

    Text Solution

    |

  5. The reference calomel electrode is made from which of the following ?

    Text Solution

    |

  6. In preparing a salt bridge we sue KCl because

    Text Solution

    |

  7. The increase in the equivalent conductance of a salt solution on dilut...

    Text Solution

    |

  8. When 96500 coulombs of electricity are passed through nickel sulphate ...

    Text Solution

    |

  9. Al^(3+)(aq) + 3e^(-) rightarrow Al(s) E^(@) = -1.66V Cu^(2+)(aq) + 2...

    Text Solution

    |

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

    Text Solution

    |

  11. 2Ag^(+)(aq) + Cu(s) rightarrow Cu^(2+)(aq) + 2Ag(s) The standard pot...

    Text Solution

    |

  12. (10Cl^(-)(aq) + 2MnO(4)^(-)(aq) + 16H^(+)(aq) rightarrow 5Cl(2)(g) + 2...

    Text Solution

    |

  13. What takes place when zinc metal is added to an aqueous solution conta...

    Text Solution

    |

  14. In the galvanizing process, iron is coated with zinc. The resulting ch...

    Text Solution

    |

  15. What is the sign of DeltaG^(Theta) and the values of K for an electroc...

    Text Solution

    |

  16. Consider a volatic cell based on these half -cell : Ag^(+) (aq.) + e...

    Text Solution

    |

  17. If E(cell)^(ɵ) for a given reaction is negative, which gives the corre...

    Text Solution

    |

  18. Which of the following solutions is used as an anti-rusting solution

    Text Solution

    |

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

    Text Solution

    |

  20. The efficiency of a hypothetical cell is about 84% which involves the ...

    Text Solution

    |