Home
Class 12
CHEMISTRY
The enthalpies of combustion of carbon a...

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

A

`668 kJ mol^(-1)`

B

`112 kJ mol^(-1)`

C

`-112 kJ mol^(-1)`

D

`-668 kJ mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Subtract `(ii)` from `(i)`.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Additional Numerical Problems For Practice|16 Videos

  • CHEMISTRY IN EVERY DAY LIFE

    DINESH PUBLICATION|Exercise Unit test-9|50 Videos

Similar Questions

Explore conceptually related problems

The enthalpies of combustion of carbon and carbon monoxide are -393.5 and -283 kJ mol^(-1) respectively. The enthaly of formation of carbon monoxide per mole is :

The enthalpies of combustion of carbon and carbond monoxide are -393.5 and -283kJ mol^(-1) respectively . The enthalpy of formation of carbond monoxide per mole is :

The enthalpies of combustion of carbon and carbon monoxide are -393.5 and -282.5KJmol^(-1) respectivaly. The enthalpy of formation of carbon monoxide per mole is:

DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. The free energy change DeltaG = 0, when

    Text Solution

    |

  2. {:(Given :,C+2StoCS(2),DeltaH=117 kJ),(,C+O(2)toCO(2),DeltaH=-393 kJ),...

    Text Solution

    |

  3. The enthalpies of combustion of carbon and carbon monoxide are -390 kJ...

    Text Solution

    |

  4. The combustion reaction occuring in an automobile is 2C(8)H(18)+25O(2)...

    Text Solution

    |

  5. Latent heat of vaporisation of a liquid at 500K and 1 atm pressure is ...

    Text Solution

    |

  6. The table given below lists the bond dissociation energy (E("diss")) f...

    Text Solution

    |

  7. The enthalpy of formation for C(2)H(4)(g), CO(2)(g) and H(2)O(l) at 25...

    Text Solution

    |

  8. For a reaction to occur spontaneously

    Text Solution

    |

  9. For a process to be spontaneous

    Text Solution

    |

  10. A particular reaction has a negative value for the free energy change...

    Text Solution

    |

  11. The calorific value of fat is

    Text Solution

    |

  12. The heat of formation of the compound in the following reaction is H...

    Text Solution

    |

  13. When water is added to quick lime, the reaction is

    Text Solution

    |

  14. Which relation is correct ?

    Text Solution

    |

  15. Variation of heat of reaction with temperature is known as

    Text Solution

    |

  16. Enthalpy of reaction DeltaH is expressed as

    Text Solution

    |

  17. Heat capacity is

    Text Solution

    |

  18. Given that C+O(2)rarrCO(2),DeltaH^(@)=-xKJ and 2CO+O(2)rarr2CO(2),Delt...

    Text Solution

    |

  19. The enthalpy change of a reaction does not depend on

    Text Solution

    |

  20. Given : S((s))+(3)/(2)O(2(g))rarrSO(3(g)+2X Kcal SO(2(s))+(1)/(2)O(2...

    Text Solution

    |