Home
Class 12
CHEMISTRY
The standard enthalpy of neutralization ...

The standard enthalpy of neutralization of `KOH` with `HCN` in dilute solution is `-2480 cal.mol^(-1)` and `-13.68 kcalmol^(-1)` respectively. Find the enthalpy of dissocitation of `HCN` at the same temperature.

Text Solution

Verified by Experts

11.2 Kcal
Promotional Banner

Topper's Solved these Questions

  • THERMOCHEMISTRY

    MOTION|Exercise Exercise - 4 Level-I|15 Videos
  • THERMOCHEMISTRY

    MOTION|Exercise Exercise - 4 Level-II|8 Videos
  • THERMOCHEMISTRY

    MOTION|Exercise Exercise - 2 (Level-II)|29 Videos
  • SURFACE CHEMISTRY

    MOTION|Exercise Exercise - 3 (Level-II)|12 Videos
  • THERMODYNAMICS

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|19 Videos

Similar Questions

Explore conceptually related problems

The enthalpies of formation of CO and CO_(2) are -110.5 KJ mol^(-1) and -393.5 KJ mol^(-1) respectively. The enthalpy of combustion of carbon monoxide is

Lattice enthalpy and enthalpy of solution of NaCl are 788 kJ"mol"^(-1) and 4kJ"mol"^(-1) respectively. The hydration enthalpy of NaCl is

The enthalpies of combustion of carbon and carbon monoxide are -390 kJ mol^(-1) and -278 kJ mol^(-1) respectively. The enthalpy of formation of carbon monoxide is

If enthalpy of fusion and enthalpy of vaporisation of sodium metal are 2.6 and 98.2 kJ "mol"^(-1) respectively, what is the enthalpy of sublimation of sodium?

Calculate enthalpy of formation of HCl if Bond enthalpies of H_2, Cl_2 and HCl are 434 kJ mol^(-1) , 242 kJ mo l^(-1) and 431 kJ mol^(-1) respectively.

If the enthalpy of formation and enthalpy of solution of HCl (g) are-92.3kj /mol and -75.14kJ/mol respectively then find the enthalpy of Cl^(-) (aq):

Standard enthalpy and standard entropy change for the oxidation of NH_(3) at 298K are -382.64KJ mol^(-1) and 145.6Jmol^(-1) respectively. Standard free energy change for the same reaction at 298K is

MOTION-THERMOCHEMISTRY -Exercise - 3
  1. The enthalpies of neutralization of NaOH & NH(4)OH by HCl are –13680 c...

    Text Solution

    |

  2. The heat of solution of anhydrous CuSO(4) is -66.5 kJ and that of CuSO...

    Text Solution

    |

  3. The standard enthalpy of neutralization of KOH with HCN in dilute solu...

    Text Solution

    |

  4. If the enthalpy of formation of HCl (g) and Cl^(- ) (aq) are –92.3 kJ/...

    Text Solution

    |

  5. A sample of 0.16 g CH(4) was subjected to combustion at 27^(@)C in a b...

    Text Solution

    |

  6. 1.0litre sample of a mixture of CH(4) and O(2) measured at 25^(@)C and...

    Text Solution

    |

  7. A quantity of 1.92 of methanol was burnt in a constant pressure calori...

    Text Solution

    |

  8. The heat of atomisation of PH(3(g)) is 228kcal mol^(-1) and that of P(...

    Text Solution

    |

  9. Using the bond enthalpy data given below, calculate the enthalpy chang...

    Text Solution

    |

  10. The enthalpy change for the following process at 25^(@) C and under co...

    Text Solution

    |

  11. The polymerisation of ethylene to linear polyethylene is represented b...

    Text Solution

    |

  12. From the following data : Enthalpy of formation of CH(3)CN=87.86 kJ/...

    Text Solution

    |

  13. The heat of combustion of acetylene is 312 Kcal . If heat of formatio...

    Text Solution

    |

  14. Using the bond enthalpy data given below, calculate the enthalpy of fo...

    Text Solution

    |

  15. Find bond enthalpy of S-S bond from the following data: C(2)H(5)-S-C...

    Text Solution

    |

  16. Find the enthalpy of S – S bond from the data. C(2) H(5)- S - S - ...

    Text Solution

    |

  17. Find the enthalpy of S – S bond from the data. S (g) = Delta H(f)^...

    Text Solution

    |

  18. The enthalpy of formation of ethane, ethylene and benzene from the gas...

    Text Solution

    |

  19. Calculate the heat of combustion of methyl alcohol at 298 K from the f...

    Text Solution

    |

  20. Calculate the electron gain enthalpy of fluorine atom using the follow...

    Text Solution

    |