Home
Class 12
CHEMISTRY
The standard e.m.f of a cell, involving ...

The standard e.m.f of a cell, involving one electron change is found to be 0.591 V at `25^@C` . The equlibrium constant of the reaction is

A

`1.0 xx 10^1`

B

`1.0 xx 10^30`

C

`1.0 xx 10^10`

D

`1.0 xx 10^5`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise SURFACE CHEMISTRY|45 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise VA GROUP ELEMENTS|26 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise CHEMICAL KINETICS|39 Videos
  • REDOX REACTONS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|27 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise PRACTICE SHEET - 5|30 Videos

Similar Questions

Explore conceptually related problems

The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V at 25^@C . The equilibrium constant of the reaction would be

For a cell reaction involving a two-electron change, the standard e.m.f. 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 e.m.f. for the cell reaction, 2Cu^(+)(aq) to Cu(s) + Cu^(2+)(aq) is + 0.36V at 298 K. The equilibrium constant of the reaction is

How is E^(0) cell related mathematically to the equilibrium constant K_(c) of the cell reaction ?

The E^(@) values for the changes given below are measured against NHE at 27^(@) C Cu^(2+) + e to Cu^(+) , E^(@) = + 0.15 V , Cu^(+) + e to Cu, E^(@) = + 0.50 V , Zn^(2+) + 2e to Zn , E^(@) = - 0.76 V . The temperature coefficient of emf a cell designed as Zn|Zn^(2+) || Cu^(2+) || Cu is - 1.4 xx 10^(-4)v per degree . For a cell reaction in equilibrium DeltaG= 0 and DeltaG^(@) = -2.303 RT log K_(c) . The heat of reaction and entropy changes during the reaction are related by DeltaG = DeltaH - TDeltaS . The equilibrium constant constant for the reaction : Zn + Cu^(2+) iff Zn^(2+) + Cu is

Consider the following electrode processes of a cell, Cl^- rightarrow 1/2 Cl_2 +e^-. [MCl +e^- rightarrow M +Cl^-] . If EMF of the cell is -1.140 V and E^@ value of the cell is -0.55V at 298K, the value of the equilibrium constant of the sparingly soluble salt MCl is in the order of

Potential of normal calomel electrode is -0.28 V . The emf of cell obtained by combining Zn and Cu electrodes of a Daniel cell with normal calomel electrodes are 1.083 V and - 0.018 V at 25^@C . Determine the EMF of Daniel cell.

The standard EMF for the cell reaction , Zn + Cu^(2+) to Cu + Zn^(2+) is 1.1 volt at 25^@ C . The EMF for the cell reaction , when 0.1 M Cu^(2+) and 0.1 M Zn^(2+) solutions are used , at 25^@ C is

The specific conductance of 0.1N KCl solution at M 23^@C is 0.012 ohm^(-1)cm^(-1) . The resistance of cell containing the solution at the same temperature was found to be 55 ohm. The cell constant will be

AAKASH SERIES-REVISION EXERCISE -ELECTROCHEMISTRY
  1. During the charging of lead storage battery, the reaction occuring at ...

    Text Solution

    |

  2. During the discharge of a lead storage battery, density of H2SO4 fell...

    Text Solution

    |

  3. The standard e.m.f of a cell, involving one electron change is found t...

    Text Solution

    |

  4. The same quantity of electricity is passed through 0.1M H2SO4 and 0.1 ...

    Text Solution

    |

  5. On passing 3F electricity through three cells containing fused Na2CO3 ...

    Text Solution

    |

  6. For the electrolytic production of NaClO4 from NaClO3 according to t...

    Text Solution

    |

  7. The quantity of electricity in Faradays required to reduce 1.23 gm of ...

    Text Solution

    |

  8. When 3.86 amperes current are passed through an electrolyte for 50 min...

    Text Solution

    |

  9. When 965 amp current is passed through aqueous solution of salt X usin...

    Text Solution

    |

  10. What is the approximate quantity of electricity (in coulomb) required ...

    Text Solution

    |

  11. Four moles of electrons were transferred from anode to cathode in an e...

    Text Solution

    |

  12. One Faraday of electricity is passed separately through one litre of o...

    Text Solution

    |

  13. The resistance of 0.5 N solution of an electrolyte in a conductivity c...

    Text Solution

    |

  14. 0.05M NaOH solution offered a resistance of 31.69Omega in a conducti...

    Text Solution

    |

  15. The resistance of 0.05M KCl solution at 25^@C is 100 ohm in a cell wh...

    Text Solution

    |

  16. Aluminium displaces hydrogen from acids, but copper does not. A galvan...

    Text Solution

    |

  17. When E(Ag^(+) | Ag)^@ = 0.80 volt and E(Zn^(2+)|Zn)^@ = 0.76 volt, wh...

    Text Solution

    |

  18. Deduce from the following E^@ values of half cells, what combination o...

    Text Solution

    |

  19. The half cell reaction for the corrosion are , 2H^(+) + (1)/(2) O2 + ...

    Text Solution

    |

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

    Text Solution

    |