Home
Class 12
CHEMISTRY
The heats of neutralisation of four acid...

The heats of neutralisation of four acids`A,B,C` and `D` are `-13.7,-9.4,-11.2` and `-12.4kcal` respectively, when they are neturalised by a common base. The acidic character obeys the order `:`

A

`A gt B gt C gt D`

B

`A gt D gt C gt B`

C

`D gt C gt B gt A`

D

`D gt B gt C gt A`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I (REASONING TYPE QUESTIONS)|2 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-II|25 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (SUBJECTIVE) LEVEL -2|15 Videos

  • TEST PAPERS

    FIITJEE|Exercise CHEMISTRY|747 Videos

  • TRANSITION ELEMENTS & COORDINATION COMPOUNDS

    FIITJEE|Exercise MATCHIG LIST TYPE QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

The heats of neutralisation of four acids a , b , c and d when neutralised against a common base are 13.7 , 9.4 , 11.2 and 12.4 kcal respectively. The weakest among these acids is

A solubility contains one mole each of HA and HB (both are weak acids) in one litre solution. Now 1 mole of NaOH is added to this solution so that both the acids are partly neutralised. Heat of neutralisation for HA and HB are- 11.8 and- 12.4 kcal respectively and the heat produced during partial neutralisation of HA and HB is- 12.25 kcal. The ratio of dissociation constant of two acids are:

A solubility contains one mole each of HA and HB (both are weak acids) in one litre solution. Now 1 mole of NaOH is added to this solution so that both the acids are partly neutralised. Heat of neutralisation for HA and HB are- 11.8 and- 12.4 kcal respectively and the heat produced during partial neutralisation of HA and HB is- 12.25 kcal. Mole ratio of neutralisation of HA and HB is:

A solubility contains one mole each of HA and HB (both are weak acids) in one litre solution. Now 1 mole of NaOH is added to this solution so that both the acids are partly neutralised. Heat of neutralisation for HA and HB are- 11.8 and- 12.4 kcal respectively and the heat produced during partial neutralisation of HA and HB is- 12.25 kcal. The ratio of NaA and NaB in solution left after reaction is:

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?

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 ?

FIITJEE-THERMODYNAMICS AND THERMOCHEMISTRY -ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I
  1. When solid NH(4)NO(3) is dissolved in water at 25^(@)C, the temperatur...

    Text Solution

    |

  2. Which of the following expression represent the work done in reversibl...

    Text Solution

    |

  3. The heats of neutralisation of four acidsA,B,C and D are -13.7,-9.4,-1...

    Text Solution

    |

  4. Which fuel provides the highest calorific value?

    Text Solution

    |

  5. Given at A(s) to A(l), DeltaH =x A(l) to A(g), DeltaH =y The hea...

    Text Solution

    |

  6. A person requires 2870 kcal of energy to lead normal daily life. If he...

    Text Solution

    |

  7. If, combustion of 4g of CH(4) liberates 2.5kcal of heat, the heat of c...

    Text Solution

    |

  8. AB,A(2) and B(2) are diatomic molecules. If the bond enthalpies of A(2...

    Text Solution

    |

  9. DeltaC(p) for the change, N(2)(g) + 3H(2)(g) = 2NH(3)(g) is

    Text Solution

    |

  10. The heats of oxidation of Mg and Fe are given (a) Mg + 1/2O(2) to Mg...

    Text Solution

    |

  11. H^(+)(aq) + NaOH(aq) = Na^(+) + H(2)O(l) ,DeltaH(1) -13690 cal HCN(a...

    Text Solution

    |

  12. Isothermally at 27^(@) C, 1 mole of van der Waals gas expands reversib...

    Text Solution

    |

  13. Equal volumes of C(2)H(2) and H(2) are combusted under identical condi...

    Text Solution

    |

  14. Heat of neutralisation of a strong dibasic acid in dilute solution by ...

    Text Solution

    |

  15. The temperature of a 5mL of strong acid increases by 5^(@) when 5 mL o...

    Text Solution

    |

  16. DeltaH(t)^(@) for CO(2)(g) and H(2)O(g) are -393.5, -110.5 and -241.8 ...

    Text Solution

    |

  17. Given N(2)(g)+3H(2)(g)=2NH(3)(g),DeltaH^(@)=-22 kcal. The standard e...

    Text Solution

    |

  18. The amount of energy released when 20 ml of 0.5 M NaOH are mixed with ...

    Text Solution

    |

  19. Heat of combustion of CH(4),C(2)H(4),C(2)H(6) are -890,-1411 and -1560...

    Text Solution

    |

  20. Heat of neutralisation of a strong acid by a strong base is equal to D...

    Text Solution

    |