Home
Class 12
CHEMISTRY
For a cell reaction involving a two-ele...

For a cell reaction involving a two-electron change, the standard e.m.f. of the cell is found to be `0.295V` at `25^(@)C`. The equilibrium constant of the reaction at `25^(@)C` will be:

A

`1 xx 10^(-10)`

B

`29.5 xx 10^(-2)`

C

10

D

`1 xx 10^(10)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise CRITICAL THINKING|76 Videos

  • D AND F-BLOCK ELEMENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|15 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    TARGET PUBLICATION|Exercise Evaluation Thinking|15 Videos

Similar Questions

Explore conceptually related problems

For a cell reaction involvinig a two electron change, the standard emf of the cell is found to be 0.295 V at 25^(@) C. The equilibrium constant of the reaction at 25^(@)C will be:

The standard emf of a cell having one electron change is found to be 0.591 V at 25^@ C , The equilibrium constant of the reaction is :

At 25^(@)C , the standard emf of a cell having reaction involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :

TARGET PUBLICATION-ELECTROCHEMISTRY-COMPETITIVE THINKING
  1. The rusting of iron takes place as follows : 2H^(o+)+2e^(-) +(1)/(2...

    Text Solution

    |

  2. For hydrogen oxygen fuel cell at atm and 298 K H(2)g+1/2O(2)(g)rarrH...

    Text Solution

    |

  3. For a cell reaction involving a two-electron change, the standard e.m...

    Text Solution

    |

  4. The emf of the cell, Zn|Zn^(2+) (0.01 M)||Fe^(2+) (0.001 M)|Fe at 29...

    Text Solution

    |

  5. The standard EMF of a galvanic cell involving cell reaction with n=2 i...

    Text Solution

    |

  6. The platinised plate in SHE is used as .

    Text Solution

    |

  7. Standard hydrogen electrode .

    Text Solution

    |

  8. Calomel is .

    Text Solution

    |

  9. Dry cell converts .

    Text Solution

    |

  10. In a dry cell, what acts as negative electrode ?

    Text Solution

    |

  11. What is the density of solution of sulphuric acid used as an electroly...

    Text Solution

    |

  12. Which among the following equations represents the reduction reaction ...

    Text Solution

    |

  13. In lead storage battery, the anode reaction is

    Text Solution

    |

  14. While charging the lead storage battery:

    Text Solution

    |

  15. Which of the following is NOT used in hydrogen-oxygen fuel cell ?

    Text Solution

    |

  16. In H(2)-O(2) fuel cell, the reaction occurring at cathode is

    Text Solution

    |

  17. Which of the following reaction is reaction is used to make a fuel cel...

    Text Solution

    |

  18. A device that convers energy of combustion of fueles like hydrogen and...

    Text Solution

    |

  19. Identify the weakest oxidising agent among the following.

    Text Solution

    |

  20. Reduction potentials of A,B,C and D are 0.8 V 0.79 V, 0.34 V and -2.3...

    Text Solution

    |