Home
Class 11
CHEMISTRY
Zn((s))+Fe(aq)^(2+) Leftrightarrow Zn(aq...

`Zn_((s))+Fe_(aq)^(2+) Leftrightarrow Zn_(aq)^(2+) +Fe_((s)`. The vale of `K_(c)`for this reaction is `10^(23). Calculate the standard free energy change.

Text Solution

Verified by Experts

Change in standard free energy,
`DeltaG^@ = -2.303 RT log_(10) K_c`
`DeltaG^@ = -2.303 xx 1.987 xx 298 xx log 10^(23)`
`= -13,570 cal mol^(-1)`
Standard free energy change for the reaction is `- 13.57 kcal mol^(-1)`.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise SUBJECTIVE EXERCISE- 1 (LONG ANSWER QUESTIONS)|2 Videos
  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise SUBJECTIVE EXERCISE- 1 (SHORT ANSWER QUESTIONS)|13 Videos
  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICS SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|3 Videos
  • CHEMICAL THERMODYANMICS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|28 Videos
  • ELECTRON MIGRATION EFFECTS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

The equilibrium constant of a reaction is 73. Calculate standard free energy change.

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.

Fe_((aq))^(+3)+SCN_((aq))^(-) harr [Fe(SCN)]_(aq)^(+2) is an example of

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 .

The e.m.f. of the cell reaction Zn_((s)) + Cu_((aq))^(+2) to Zn_((aq))^(+2) + Cu_((s)) is 1.1 V. Calculate the free energy of the cell reaction.

E^(0) for the reaction Fe + Zn^(2+) to Zn + Fe^(2+) is -0.35 V . The given cell reaction is

For a cell reaction , Cu^(2+) (C_1 , aq) + Zn(s) to Zn^(2+) (C_2 , aq) + Cu(s) of an electro chemical cell , the change in standard free energy , DeltaG^(0) at a given temeprature is

AAKASH SERIES-CHEMICAL THERMODYNAMICS-PROBLEMS
  1. DeltaH for the formation of XY is -200 kJ mol^(-1).The bond enthalpies...

    Text Solution

    |

  2. Heats of combustion of graphite carbon and carbon monoxide are respect...

    Text Solution

    |

  3. The heat of transition of S(alpha) into S(beta) is +2.5 kJ. The heat o...

    Text Solution

    |

  4. Heats of combustion of benzene, carbon and hydrogen are - 782, -94, -6...

    Text Solution

    |

  5. The heat of formation of crystalline sodium chloride is -410 kJ mol^(-...

    Text Solution

    |

  6. The heats of formation of CO(2(g)) , H2O((l)) and CH(4(g)) are respect...

    Text Solution

    |

  7. The standard molar heat for formation of ethane, carbondioxide and wat...

    Text Solution

    |

  8. Latent heat of fusion of ice is 6 kJ mol^(-1). Calculate the entropy c...

    Text Solution

    |

  9. The entropy change for vaporisation of a liquid is 109.3 JK^(-1)mol^(-...

    Text Solution

    |

  10. Based on entropy Change predict a spontaneous reaction among the follo...

    Text Solution

    |

  11. Calculate DetlaG^(@) for the following reaction, Zn((s)) + Cu((aq))^(2...

    Text Solution

    |

  12. The equilibrium constant of a reaction is 73. Calculate standard free ...

    Text Solution

    |

  13. The reaction, H(2(g)) + 1/2O(2(g)) to H2O((l)), is spontaneous. The De...

    Text Solution

    |

  14. The standard free energy of Cu((aq))^(+)  is 50 kJ mol^(-1) and that o...

    Text Solution

    |

  15. Zn((s))+Fe(aq)^(2+) Leftrightarrow Zn(aq)^(2+) +Fe((s). The vale of K(...

    Text Solution

    |

  16. 1 g of graphite is burnt in a bomb calorimeter in excess of O(2) at 29...

    Text Solution

    |

  17. What are the sign of the entropy change (+ or -) in the following: I...

    Text Solution

    |

  18. Kp for the reaction 3/2O(2(g)) overset(rarr)(larr)O(3(g)) at 25^@C is ...

    Text Solution

    |

  19. A swimmer coming out from a pool is covered with a film of water weigh...

    Text Solution

    |

  20. Find out the value of equilibrium constant for the following reaction ...

    Text Solution

    |