Home
Class 11
CHEMISTRY
The lattice enthalpy of an ionic compoun...

The lattice enthalpy of an ionic compound is the enthalpy when one mole of an ionic compoud present in its gaseous state, dissociates into its ions. It is impossible to determine it directly by experiment. Suggest and explain in indirect method to measure lattice enthalpy of NaCl(s).

Text Solution

Verified by Experts

Lattice energy cannot be determined directly by experiment. It is determined indirectly by Born-Haber cycle
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    PRADEEP|Exercise ADDITIONAL QUESTIONS(VERY SHORT ANSWER QUESTIONS)|43 Videos
  • THERMODYNAMICS

    PRADEEP|Exercise SHORT ANSWER QUESTIONS|65 Videos
  • THERMODYNAMICS

    PRADEEP|Exercise ASSERTION AND REACTION TYPES QUESTIONS|3 Videos
  • STRUCTURE OF ATOM

    PRADEEP|Exercise Competition Focus (JEE (Main and Advanced)/Medical Entrance (IX. Assertion And Reason Type Questions (Type II))|12 Videos

Similar Questions

Explore conceptually related problems

The lattice enthalpy of an ionic compound is the enthalpy change for the dissociation of one mole of an ionic compound present into gaseous state, dissociates into its ions. Itis impossible to determine it directly by experiment.Suggest and explain an indirect method to measure lattice enthalpy of NaCI(s) .

Lattice enthalpy is the enthalpy change for completely separating one mole of a solid ionic compound into its constituent ions in the _______phase.

The change in enthalpy that takes place when one mole of the compound is formed from its elements is called

Lattice enthalpy is the change in energy that occurs when ______of an ionic solid is separated into isolated ions in the gas phase.

Solubility of an ionic compound in water is mainly dependent on: a.Lattice enthalpy , b. Hydration enthalphy Both these factors oppose each other and the resultant of these determines the solubility of an ionic compound in water. If lattce enthalpy has greater value, the compound is less soluble. In case hydration enthalpy has greater value, the compound is highly soluble in water. Compound of alkaline earth metals are less soluble than alkali metals, due to:

Born Haber cycle helps to determine lattice enthalpy of ionic compound as well as electron gain enthalpy of different elements. Based on the diagram drawn, answer the questions given below. What is the electron gain enthalpy of CI(g) ?

Lattice energy : Lattice energy is the amount of energy released when one mole of ionic compound is formed from its gaseous ions underset((g))(Na^(+)) + underset((g))(Cl^(-)) to NaCl(s) + Deltax kJ Lattice energy also depend on the 3-D arrangement of ion . In the given compounds least Lattice energy is present in

Solubility of an ionic compound in water is mainly dependent on: a.Lattice enthalpy , b. Hydration enthalphy Both these factors oppose each other and the resultant of these determines the solubility of an ionic compound in water. If lattce enthalpy has greater value, the compound is less soluble. In case hydration enthalpy has greater value, the compound is highly soluble in water. BeF_(2) is soluble in water while fluorides of other alkaline earth metals are insoluble because of:

PRADEEP-THERMODYNAMICS-LONG ANSWER QUESTIONS
  1. Derive the relationship between Delta H " and " Delta U for an ideal g...

    Text Solution

    |

  2. Extensive properties depend on the quantity of matter but intensive pr...

    Text Solution

    |

  3. The lattice enthalpy of an ionic compound is the enthalpy when one mol...

    Text Solution

    |

  4. DeltaG is net energy available to do useful work and is thus a measure...

    Text Solution

    |

  5. Graphically shoe the total work done in an expansion when the state of...

    Text Solution

    |

  6. Define 'thermodynamics' . Briefly describe the importance and limitat...

    Text Solution

    |

  7. Define the following terms : (i) System (ii) State variables (iii) Sta...

    Text Solution

    |

  8. Briefly explain the terms 'internal energy ' and 'internal energy cha...

    Text Solution

    |

  9. State the first law of thermodynamics.

    Text Solution

    |

  10. Explain the term enthalpy. How is it related to the internal energy ...

    Text Solution

    |

  11. Briefly explain the following : (i) Heat of combustion (ii) Bond ene...

    Text Solution

    |

  12. Explain the difference between bond energy and dissociation energy wit...

    Text Solution

    |

  13. What do you understandby a spontaneous process ?Explain with suitable ...

    Text Solution

    |

  14. Define entropy. Why is it a state function? Explain the effect of inc...

    Text Solution

    |

  15. State and explain second law of thermodynamics. What is its significan...

    Text Solution

    |

  16. What are the limitations of the first law of thermodynamics?State seco...

    Text Solution

    |

  17. Explain the terms 'entropy', 'enthalpy' and 'free energy'.

    Text Solution

    |

  18. Explain what is meant by Gibb's free energy change. "The sign of the f...

    Text Solution

    |

  19. Briefly explain the effectof temperature on the spontaneity of (a) a...

    Text Solution

    |

  20. Define ' standard free energy of formation '. Taking a suitable exampl...

    Text Solution

    |