Home
Class 12
CHEMISTRY
The enthalpies of neutralization of a we...

The enthalpies of neutralization of a weak acid HA & a weak acid HB by `NaOH` are -6900 Cal/equivalent & -2900 Cal/equivalent repsectively. When one equivalent of NaOH is added to a solution containing one equivalent of HB, the enthalpy change was -3900 Calories. In what ratio is the base distribute between HA & HB ?

Text Solution

Verified by Experts

`1 : 3`
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 neutralisation of a string acid HA and a weaker acid HB by NaOH are -13.7 and -12.7 kcal Eq^(-1) , respectively. When one equivalent of NaOH is added to a mixture containing one equivalent of HA and HB , the enthalpy change was -13.5kcal . In what ratio is the base distributed between HA and HB ?

The enthalpy of neutraliztion of weak base A OH and a strong base BOH by HCl are -12250 cal/mol and -13000 cal/mol respectively . When one mole of HCl is added to a solution containting 1 mole of A OH and 1 mole of BOH , the enthalpy change was -12500 cal/mol . In what ratio is the acid distribution between A OH and BOH?

The enthalpy of neutralization of HNO_(3) by NaOH=-13680 cal//eqt. When one equivalent of NaOH is added to a dilute solution containing one equivalent of HNO_(3) and one equivalent of a certain monoprotic weak acid 13960 cals are evolved. Assume that the base is distributed between HNO_(3) and the weak acid in the ratio 3:1 and the weak acid is practically nonionized. Calculate the enthalpy of ionization of the weak acid.

The enthalpies of neutralization to two weak acids HA and HB with NaOH are -10.1 and -11.8 Kcal//g . eq respectively. Which of the following relation is correct regarding acidic strengths of HA and HB :-

The enthalpies of neutralization of NaOH & NH_(4)OH by HCl are -13680 Cal and -12270 Cal respectively. What would be the enthalpy change if one gram equivalent of NaOH is added to one gram equivalent of NH_(4)Cl in solution ? Assume that NH_(4)OH and NaCl are quantitatively obtained.

The enthalpy of neutralisation of four acids HA,HB,HC and HD witgh NaOH are 13,-12,-11,-10 Kcal//mol. Which salt has maximum degree of hydrolysis?

MOTION-THERMOCHEMISTRY -Exercise - 3
  1. The Born-Haber cycle for rubidium chloride (RbCl) is given below (the ...

    Text Solution

    |

  2. From the following data, C(s , graphite) + O(2) (g) to CO(2) (g) ...

    Text Solution

    |

  3. Calculate the mass of mercury which can be liberated from HgO at 25^(@...

    Text Solution

    |

  4. From the following data of DeltaH of the following reactions C (s) +...

    Text Solution

    |

  5. Although C(P) is usually assumed to be constant, for more accurate cal...

    Text Solution

    |

  6. Although C(P) is usually assumed to be constant, for more accurate cal...

    Text Solution

    |

  7. An intimate mixture of ferric oxide and aluminium is used as solid fue...

    Text Solution

    |

  8. A person takes 15 breaths per minute. The volume of air inhaled in eac...

    Text Solution

    |

  9. The enthalpies of neutralization of a weak acid HA & a weak acid HB by...

    Text Solution

    |

  10. Calculate the heat produced when 3.785 litre of actane (C(8)H(18)) rea...

    Text Solution

    |

  11. Using the data (all values are in kJ/mole at 25^(@) C given below H(...

    Text Solution

    |

  12. Using bond energy data, calculate heat of formation of isoprene. 5 ...

    Text Solution

    |

  13. Compute the heat of formation of liquid methyl alcohol in kJ mol^(-1),...

    Text Solution

    |

  14. Calculate the enthalpy change for the following reaction: XeF(4) rar...

    Text Solution

    |

  15. By using the following data draw an appropriate energy cycle & calcula...

    Text Solution

    |

  16. The standard enthalpy of combustion of sucrose is – 5645 kJ mol^(-1). ...

    Text Solution

    |

  17. Calculate the proton gain enthalpy of NH(3) (g) from the following dat...

    Text Solution

    |

  18. Heat of combustion of gaseous isoprene (C(5) H(8)) CH(2) = CH - C = ...

    Text Solution

    |

  19. The enthalpy of formation of C(2)H(5)OH (l) is –66k cal/mol. The ent...

    Text Solution

    |

  20. What is the ratio of the energy yield on combustion of hydrogen atoms ...

    Text Solution

    |