Home
Class 11
CHEMISTRY
Heat of neutralisation of a weak acid HA...

Heat of neutralisation of a weak acid HA by `NaOH` is `-"12.13 kJ mol"^(-1)`. Calculate the enthalpy of ionization of HA.

Text Solution

Verified by Experts

`DeltaH_("ionisation")^(sigma)=+"42.77 kJ mol"^(-1)`.
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS - I

    NCERT TAMIL|Exercise Questions(Miscellaneous)|3 Videos
  • THERMODYNAMICS

    NCERT TAMIL|Exercise EVALUATION|19 Videos

Similar Questions

Explore conceptually related problems

Heat of neutralisation of a strong acid is ____ than that of a weak acid.

Assertion : Enthalpy of neutralisation of 1 equivalent each of HCl and H_(2)SO_(4) with NaOH is same Reason : Enthalpy of neutralisation is always the heat evolved when 1 mole acid is neutralised by a base.

When a mole of magnesium bromide is prepared from 1 mole of magnesium and 1 mole of liquid bromine, 524 kJ of energy is released. The heat of sublimation of Mg metal is 148 "kJ mol"^(-1) . The heat of dissociation of bromine gas into atoms is 193 "kJ mol"^(-1) . The heat of vaporization of liquid bromine is 31 kJ "mol"^(-1) . The ionisation energy of magnesium is 2187 kJ mol^(-1) and the electron affinity of bromine is - 662 "kJ mol"^(-1) . Calculate the lattice energy of magnesium bromide.

The standard enthalpies of formation of SO_2 and SO_3 are -297 "kJ mol"^(-1) 396 "kJ mol"^(-1) respectively. Calculate the standard enthalpy of reaction for the reaction: SO_2 + 1//2O_2 to SO_3

NCERT TAMIL-THERMODYNAMICS - I-QUESTION
  1. In which process, work is maximum?

    Text Solution

    |

  2. Translational energy of molecules is a part of energy of the system.

    Text Solution

    |

  3. Specific heat of a liquid system is property.

    Text Solution

    |

  4. Work done in the reversible expansion is

    Text Solution

    |

  5. Combustion is an process.

    Text Solution

    |

  6. Heat of neutralisation of a strong acid is than that of a weak acid.

    Text Solution

    |

  7. Name the equipment using which heat of combustion of compounds are det...

    Text Solution

    |

  8. Energy can be created and be destroyed. State whether this is true or ...

    Text Solution

    |

  9. State Zeroth law of thermodynamic .

    Text Solution

    |

  10. Give the relation between DeltaU and DeltaH.

    Text Solution

    |

  11. Define an adiabatic process.

    Text Solution

    |

  12. Write the differences between an exothermic and an endothermic process...

    Text Solution

    |

  13. What are intensive and extensive properties?.

    Text Solution

    |

  14. Define first law of thermodynamics.

    Text Solution

    |

  15. Explain thermal and mechanical equilibrium processes.

    Text Solution

    |

  16. Describe a bomb calorimeter and explain how heat of formation of an or...

    Text Solution

    |

  17. Compare the enthalpy changes that occur between the neutralisation of ...

    Text Solution

    |

  18. Calculate the enthalpy of combustion of acetic (1) when burnt in exces...

    Text Solution

    |

  19. Heat of neutralisation of a weak acid HA by NaOH is -"12.13 kJ mol"^(-...

    Text Solution

    |

  20. DeltaH for the reaction at 298 K CO(g)+1//2O(2)(g) is 282.85 KJ mol^(-...

    Text Solution

    |