Home
Class 12
CHEMISTRY
For a redox reaction to be spontaneous, ...

For a redox reaction to be spontaneous, the e.m.f. should be

A

-ve

B

+ve

C

zero

D

Any of these

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND

    USHA PUBLICATION|Exercise EXERCISE |281 Videos

  • GENERL PRINCIPAL AND PROCESS OF ISOLATION OF ELEMENTS

    USHA PUBLICATION|Exercise EXERCISE |354 Videos

Similar Questions

Explore conceptually related problems

For a redox reaction to proceed in a cell, the emf must be

For a redox reaction to proceed spontaneously in a given direction, the emf should:

A reaction occurs spontaneously if :

Which is a redox reaction ?

Which is not a redox reaction ?

When DeltaG is positive, the reaction is not spontaneous. Then to make such reaction spontaneous, which method is followed?

What are the required thermodyanmic criteria for a reaction to be spontaneous ?

USHA PUBLICATION-ELECTRO CHEMISTRY -EXERCISE
  1. At infinite dilution the equivalent conductance of CH3COONa, HCl and N...

    Text Solution

    |

  2. The electrolytic products of aqueous solution of NaOH are

    Text Solution

    |

  3. For a redox reaction to be spontaneous, the e.m.f. should be

    Text Solution

    |

  4. When same quantity of current is passed through two different electrol...

    Text Solution

    |

  5. During electrolysis the reaction occurs at anode is

    Text Solution

    |

  6. The number of faradays required to deposit 27gm ‘Al’ from a solution o...

    Text Solution

    |

  7. Which of the following equations is correct?

    Text Solution

    |

  8. Which of the following solution of NaCl has the lowest value of Specif...

    Text Solution

    |

  9. 3.17 gm of a substance was deposited by the flow of 0.1mole of electro...

    Text Solution

    |

  10. When electricity is passed through a solution of AlCl3, 13.5gm of ‘Al’...

    Text Solution

    |

  11. The passage of current through the solution of a certain electrolyte r...

    Text Solution

    |

  12. The increase in molar conductance of HCl with dilution is due to

    Text Solution

    |

  13. Which of the following statements is wrong?

    Text Solution

    |

  14. Which of the following statement is true about Zn-CuSO4 cell?

    Text Solution

    |

  15. The cell reaction, Zn + 2Ag(aq)^+ rarr Zn^(+2) Ag can be represented ...

    Text Solution

    |

  16. The electrode potential of normal hydrogen electrode is

    Text Solution

    |

  17. When an electric current is passed through acidified water, 112ml of H...

    Text Solution

    |

  18. Which of the following does not change the value of electrode potentia...

    Text Solution

    |

  19. Which will be decomposed when electric current is passed through its a...

    Text Solution

    |

  20. The degree of dissociation of CH3COOH Sol^n, can be increased by

    Text Solution

    |