Home
Class 11
CHEMISTRY
The enthalpy of solution of sodium chlor...

The enthalpy of solution of sodium chloride is `4 kJ mol^(-1)` and its enthalpy of hydration of ion is `-784 kJ mol^(-1)`. Then the lattice enthalpy of `NaCl` (in `kJ mol^(-1)`) is

Text Solution

Verified by Experts

`+ 788kJ mol^(-1)( Delta_("sol") H = Delta_("lattice")H + Delta_(hyd) H ) `
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    PRADEEP|Exercise CONCEPTUAL QUESTIONS( I. General Introduction andsome basic terms and concepts)|4 Videos

  • THERMODYNAMICS

    PRADEEP|Exercise CONCEPTUAL QUESTIONS( II. First law of thermodynamics)|1 Videos

  • THERMODYNAMICS

    PRADEEP|Exercise TEST YOUR GRIP( MULTIPLE CHOICE QUESTIONS)|21 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 ionization enthalpy of Na^+ formation from Nad is 495.8 kJ mol^(-1) , while the electron gain enthalpy of Bris -325.0 kJ mol^(-1) .Given the lattice enthalpy of NaBr is -728.4 kJ mol^(-1) The energy for the formation of NaBr ionic solid is (-)"______" xx 10^(-1)kJ "mol"^(-1)

Lattice energy of NaCl(s) is -790 kJ " mol"^(-1) and enthalpy of hydration is -785 kJ " mol"^(-1) . Calculate enthalpy of solution of NaCl(s).

Lattice energy of NaCl_((s)) is -788kJ mol^(-1) and enthalpy of hydration is -784kJ mol^(-1) . Calculate the heat of solution of NaCl_((s)) .

The enthalpy of neutralisation of a strong acid by a string base is -57.32 kJ mol^(-1) . The enthalpy of formation of water is -285.84 kJ mol^(-1) . The enthalpy of formation of hydroxy 1 ion is

The standard enthalpy of formation of NH_(3) is -46.0 kJ mol^(-1) . If the enthalpy of formation of H_(2) from its atoms is -436 kJ mol^(-1) and that of N_(2) is -7112kJ mol^(-1) , the average bond enthalpy of N-H bond in NH_(3) is :-

At 298 K, the enthalpy of fusion of a solid (X) is 2 . 8 kj mol^(-1) and the enthalpy of vaporisation of the liquid (X) is 98.2 kJ mol^(-1) The enthalpy of sublimation of the substance (X) in kj mol^(-1) is _______(in nearest integer)

The enthalpy of formation of H_(2)O(l) is -285 KJ mol^(-1) and enthalpy of neutralization of a stron acid and a strong bas is -55 KJ mol^(-1) . What is the enthalpy of formation of OH^(-) ions?

PRADEEP-THERMODYNAMICS-FILL IN THE BLANKS
  1. For n moles of a gas, the difference between the molar heat capacity a...

    Text Solution

    |

  2. For triatomic gases such as CO(2) the ratio (C(p))/(C(v)) is equal to ...

    Text Solution

    |

  3. Bomb calorimeter is used to determine the value of ...............

    Text Solution

    |

  4. For exothermic reactions, the enthalpy of products is"…........" than...

    Text Solution

    |

  5. The enthalpy of combustionof 1 mole of H(2) to form H(2)O(l) is"…........

    Text Solution

    |

  6. The heat produced from the complete combustion of 1 g of fuel or food ...

    Text Solution

    |

  7. The allotropic form of sulphur for which standard enthalpy of formatio...

    Text Solution

    |

  8. The enthalpy of solution of sodium chloride is 4 kJ mol^(-1) and its e...

    Text Solution

    |

  9. The enthalpies of solution of anhydrous CuSO(4) and hydrated CuSO(4). ...

    Text Solution

    |

  10. The bond energy of H(2) is found to be 435 kJ mol^(-1). Therefore, th...

    Text Solution

    |

  11. Enthalpy of dissociation of H(2)O molecules into H^(+) and OH^(-) ions...

    Text Solution

    |

  12. For an endothermic process to be spontaneous, the factor T Delta S sho...

    Text Solution

    |

  13. Why is the enthalpy of sublimation equal to the sum of enthalpy of fus...

    Text Solution

    |

  14. The expression for the entropy change when a gas expands from volume V...

    Text Solution

    |

  15. Gibbs-Helmholtz equation is………….. .

    Text Solution

    |

  16. In terms of work, the decrease in free energy during a process is equa...

    Text Solution

    |

  17. Free energy change ( DeltaG) is related to the total entropy change (D...

    Text Solution

    |

  18. A reaction is nono-spontaneous at high temperature but became spontan...

    Text Solution

    |

  19. Standard free energy change(Delta G^(@)) of a reaction is related to i...

    Text Solution

    |

  20. Entropy of perfectly crystalline solid is taken as zero at 0 K.

    Text Solution

    |