Home
Class 12
CHEMISTRY
Enthalpy of neutralisation of H(3)PO(3) ...

Enthalpy of neutralisation of `H_(3)PO_(3)` acid is `-106.68kJ//mol` using NaOH. If enthaly of neutralisation of HCl by NaOH is `-55.84` kJ/mol. Calculate `DeltaH_("ionization") " of " H_(3)PO_(3)` into its ions

A

50.84kJ/mol

B

5 kJ/mol

C

2.5 kJ/mol

D

5000 J/mol

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet- Exercise-III|30 Videos
  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet- Exercise-IV|20 Videos
  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet-Exercise-I|33 Videos
  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 4 (Assertion (A) & Reason (R) Type Questions)|44 Videos
  • CHEMISTRY IN EVERY DAY LIFE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|29 Videos

Similar Questions

Explore conceptually related problems

Heat of neutralisation of CH_3COOH_((aq)) with NaOH_((aq)) is - 55.2kJ. What is heat of ionisation of CH_3COOH ?

Enthalpy of neutralization is defined as the enthalpy change when 1 mole of acid/base is completely neutralized by base/acid in dilute solution. For strong acid and strong base neutralization net chemical change is H_((aq))^(+) + OH_((aq))^(-) rarr H_(2)O_((l)), Delta H_(r )^(0) -= - 55.84 kJ//mol If enthalpy of neutralization of CH_(3)COOH by NaoH is -49.86 kJ/mol then enthalpy of ionisation of CH_(3)COOH is

0.66 g of H_(3)PO_(2) will require x ml of 0.1M NaOH for complete neutralization. X is

Heats of ionisation of acetic acid and ammonium hydroxide are x kJ mol^(-1) and y kJ mol^(-1) . Heat of neutralisation of HCl and NaOH is z kJ mol^(-1) . Calculate the heat when acetic acid is neutralised with ammonium hydroxide. (z-(x+y)kJ mol^(-1))

HCI is a strong acid, but HF is a weak acid. The enthalpy of neutralisation of HCl is -57.3 kJ mol^(-1) and of HF is -68.3 kl. mol^(-1) . Explain.

Define heat of neutralisation. Write the basic equation. Why the heat liberated by the neutralisation of a weak acid is less than 57.3 kJ mol^(-1) ?

The enthalpy of formation of ammonia is -46.0 KJ mol^(-1) . The enthalpy change for the reaction 2NH_3 rarr N_2 + 3H_2 is

The volume in mL of 0.1 M solutions of NaOH required to completely neutralise 100 mL of 0.3 M solution of H_(3)PO_(3) is

AAKASH SERIES-CHEMICAL THERMODYNAMICS-Practice Sheet- Exercise-II
  1. The heats of combustion of carbon,hydrogen and acetylene are -394kJ, -...

    Text Solution

    |

  2. The standard enthalpies of formation of H(2)O(2(l)) and H(2)O((l)) are...

    Text Solution

    |

  3. Given C+ 2S rarr CS(2), DeltaHf^(0) = +117.0 KJ mol^(-1), C + O(2) rar...

    Text Solution

    |

  4. The lattice energy of solid NaCl is 180K. Call per mol. The dissolutio...

    Text Solution

    |

  5. The enthalpy of solution of BaCl(2)(s) and BaCl(2).2H(2)O(s) " are " -...

    Text Solution

    |

  6. Hess's law states that

    Text Solution

    |

  7. Equal volumes of equi molar HCl and H(2)SO(4) are separately neutralis...

    Text Solution

    |

  8. The bond dissociation energies for Cl(2),I(2) and Icl are 242.3, 151 a...

    Text Solution

    |

  9. Enthalpy of neutralisation of H(3)PO(3) acid is -106.68kJ//mol using N...

    Text Solution

    |

  10. If DeltaH(f)^(0) " for" H(2)O(2(l)) and H(2)O((l)) " are " -188 kJ mol...

    Text Solution

    |

  11. Chemical reactions are invariably associated with the transfer of ener...

    Text Solution

    |

  12. Chemical reactions are invariably associated with the transfer of ener...

    Text Solution

    |

  13. Chemical reactions are invariably assocated with the transfer of energ...

    Text Solution

    |

  14. Chemical reactions are invariably assocated with the transfer of energ...

    Text Solution

    |

  15. Match the following columns

    Text Solution

    |

  16. Heats of atmoisation of ozone and oxygen are 25 units and 30 units res...

    Text Solution

    |

  17. Compute the heat of formation of liquid methyl alcohol in kilojoules p...

    Text Solution

    |

  18. The bond dissociation energies of gaseous H(2), Cl(2) and HCl are 104,...

    Text Solution

    |

  19. Heat of formation of 2 moles of NH(3)(g) " is" -90 kJl bond energies o...

    Text Solution

    |

  20. If S + O(2) rarr SO(2), DeltaH= -398.2kJ SO(2) + (1)/(2) O(2) rarr S...

    Text Solution

    |