Home
Class 12
CHEMISTRY
The cell in which the following reaction...

The cell in which the following reaction occurs:
`2Fe^(3+)(aq) + 2I^(-)(aq) to 2Fe^(2+) (aq) + I_(2)(s)` has `E_("cell")^(0)= 0.236 V` at 298 K. Calculate the standard Gibbs energy and the equilibrium constant of the cell reaction .

Text Solution

Verified by Experts

The correct Answer is:
`-45.5 kJ mol^(-1) and 9.6 xx 10^(7)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise LEVEL-I ( EXERCISE-I)|146 Videos
  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise LEVEL-I ( EXERCISE-II)|51 Videos
  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise EXERCISE - 4.1.5|3 Videos
  • DILUTE SOLUTIONS

    AAKASH SERIES|Exercise EXERCISE - 1.2|55 Videos
  • ELEMENTS OF D - BLOCK

    AAKASH SERIES|Exercise EXERCISE - 5.2|33 Videos

Similar Questions

Explore conceptually related problems

The cell in which the following cell reaction occurs, 2Fe _((aq))^(3+)+2I_((aq))^(-)to 2Fe _((aq))^(2+)+I_(2(s)) has E_(cell)^(0)=0.236V at 298 K. Calculate the standard Gibbs energy and the equilibrium costant of the cell reaction.

Calculate the standard cell potentials of galvanic cell in which the following reactions take place. (i) 2Cr(s) + 3Cd^(2+)(aq) to 2Cr^(3+) (aq) + 3Cd (ii) Fe^(2+)(aq) + Ag^(+)(aq) to Fe^(3+)(aq) + Ag(s) Calculate the ΔrG and equilibrium constant of the reactions.

The emf of the cell in which of the following reaction , Zn_((s)) +Ni^(2+) (0.1 M) to Zn^(2+) (1.0M) + Ni_((s)) occurs is found to 0.5105 V at 298 K . The standard emf of the cell is

Calculate the emf of the cell with the cell reaction Ni _((s))+2Ag ^(+)(0.002M)to Ni^(2+)(0.160M) +2 Ag_((s)) E_(cell)^(0)=1.05V.

The cell reaction of the galvanic cell, Cu(s) // Cu^(2+)(aq) // Hg^(2+) (aq) // Hg (l) is

Depict the galvanic cell in which the reaction Zn(s) + 2Ag^(+) (aq) to Zn^(2+) (aq) + 2A(s) takes place. Further show. (i) Which of the electrode is negatively charged? (ii) The carriers of the current in the cell. (iii) Individual reaction at each electrode.

E_("cell")^(@) for the redox reation 2Ag_((aq))^(+)Cu rarr Cu_((aq))^(2+) +2Ag is 0.46V. Calculate the equibilrium constant of the reaction.

Balance the following redox reactions by ion-electron method : H_(2)O_(2)(aq)+Fe^(2+)(aq)to Fe^(3+)(aq)+H_(2)O(I) (in acidic solution )

AAKASH SERIES-ELECTROCHEMISTRY -EXERCISE - 4.2
  1. Certain quantity of electricity is passed through aqueous AgNO3 and aq...

    Text Solution

    |

  2. Potential of normal calomel electrode is -0.28 V . The emf of cell obt...

    Text Solution

    |

  3. The standard potential of Ni^(2+), Ni is -0236 V. It this electrode is...

    Text Solution

    |

  4. The oxidation power of halogens and the reducing power of halides is j...

    Text Solution

    |

  5. E0 for the reaction , Ag^(+) + e^(-) to Ag, is 0.8 V. Calculate E^@ f...

    Text Solution

    |

  6. Standard oxidation potential of iron electrode is + 0.44 V. Calculate ...

    Text Solution

    |

  7. Colour of potassium iodide solution containing starch turns blue when ...

    Text Solution

    |

  8. E0 values of Zn^(2+), Zn , Mg^(2+), Mg and Cu^(2+), Cu are -0.76 V, ...

    Text Solution

    |

  9. At 298 K the equilibrium constant for the redox reaction CuSO4 + Fe <...

    Text Solution

    |

  10. Ag^(+) + e^(-) rarr Ag, E^(0) = + 0.8 V and Zn^(2+) + 2e^(-) rarr Zn, ...

    Text Solution

    |

  11. E^@ value for Fe^(3+) 3e^(-) to Fe and Fe^(2+) + 2e^(-) to Fe are -0.0...

    Text Solution

    |

  12. The EMI of the cell Pt, H(2)(2 atm) |HCl (1M)|H2(10 atm),Pt is xV and...

    Text Solution

    |

  13. At 25^@C the EMF of the cell Zn, ZnSO4"//"CuSO4, Cu is 0.03V. The tem...

    Text Solution

    |

  14. The molar conductivity of 0.025mol L^(-1) methanoic acid is 46.1 S cm^...

    Text Solution

    |

  15. E("cell") for the reaction Pt , H2 (1atm)//H^(+) (1M)"//" C6H)5NH3Cl (...

    Text Solution

    |

  16. At 25^@C potential of the cell, Pt, H2(g), HCl (aq)"//"AgCl(s), Ag(s) ...

    Text Solution

    |

  17. When salt is spread on a road during winter, corrosion of motor cars i...

    Text Solution

    |

  18. E^(0) = -08275V for the reaction, 2H2O + 2e^(-) to 2OH^(-) + H(2).Calc...

    Text Solution

    |

  19. E^(0) of silver electrode is 0.8 V and solubility product of Agl is 1 ...

    Text Solution

    |

  20. The cell in which the following reaction occurs: 2Fe^(3+)(aq) + 2I^(...

    Text Solution

    |