Home
Class 12
CHEMISTRY
Using the following thermochemical data....

Using the following thermochemical data.
`C(S)+O_(2)(g)rarr CO_(2)(g), Delta H=94.0` Kcal
`H_(2)(g)+1//2O_(2)(g)rarr H_(2)O(l), Delta H=-68.0` Kcal
`CH_(3)COOH(l)+2O_(2)(g)rarr 2O_(2)(g)rarr 2CO_(2)(g)+2H_(2)O(l), Delta H=-210.0` Kcal
The heat of formation of acetic acid is :-

A

116.0 kcal

B

-116.0 kcal

C

-114.0 kcal

D

114.0 kcal

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (PREVIOUS YEARS ENTRANCE EXAMS)|76 Videos

  • CHEMICAL KINETICS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|50 Videos

  • CHEMISTRIY IN EVERYDAY LIFE

    MARVEL PUBLICATION|Exercise TEST YOUR GRAPS|24 Videos
MARVEL PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP)
  1. lf X kJ is the heat produced by the neutralisation of 1 L of 1 M H(2)S...

    Text Solution

    |

  2. The enthalpies of elements in their standard states are taken as zero....

    Text Solution

    |

  3. Using the following thermochemical data. C(S)+O(2)(g)rarr CO(2)(g), ...

    Text Solution

    |

  4. The difference between the heats of reaction at constant pressure and ...

    Text Solution

    |

  5. The heat of combustion of yellow phoshphorus and red phosphorus are -9...

    Text Solution

    |

  6. For an isochoric process, the change in

    Text Solution

    |

  7. Calculate the work done during the process when one mole of gas is all...

    Text Solution

    |

  8. In the combustion of benzene at 273 K, C(6)H(6)+(15)/(2)O(2) rarr 6C...

    Text Solution

    |

  9. A system evolves 152.5 calories of energy. But work is equivalent to 5...

    Text Solution

    |

  10. The heat of combustion of methane gas is -212" kcal mol"^(-1) Calculat...

    Text Solution

    |

  11. The bond dissociation energy of C-H in CH(4) from the equation C(g)+...

    Text Solution

    |

  12. Heat of formation of H(2)O((g))" at "25^(@)C is -243 kJ. Delta U for t...

    Text Solution

    |

  13. In an isothermal expansion of an ideal gas

    Text Solution

    |

  14. The value of bond energies (kJ mol^(-1)) of N-N, N=N, N equiv N are re...

    Text Solution

    |

  15. The workdone in ergs for the reversible expansion of one mole of an id...

    Text Solution

    |

  16. In isobaric process

    Text Solution

    |

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

    Text Solution

    |

  18. Standard molar entropy for acetic acid, acetaldehyde and methyl acetat...

    Text Solution

    |

  19. Which of the following statement is incorrect?

    Text Solution

    |

  20. Which of the following represent the correct order of increasing first...

    Text Solution

    |