Home
Class 12
CHEMISTRY
The heat of combustion of carbon and mon...

The heat of combustion of carbon and monoxide are -394 and -285 KJ `mol^(-1)` respectively. The heat of formation of CO in KJ `mol^(-1)` is :-

A

`+109`

B

`-109`

C

`+218`

D

`-218`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -4|18 Videos

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -2|100 Videos

  • TEST PAPERS

    ALLEN|Exercise CHEMISTRY|19 Videos

  • Thermodynamics And Thermo Chemistry

    ALLEN|Exercise All Questions|39 Videos
ALLEN-THERMODYNAMICS -EXERCISE -3
  1. Given standard enthalpy of formation of CO(-110 "KJ mol"^(-1)) and CO(...

    Text Solution

    |

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

    Text Solution

    |

  3. The heat of combustion of carbon and monoxide are -394 and -285 KJ mol...

    Text Solution

    |

  4. When a certain amount of ethylene was combusted, 6226 kJ heat was evol...

    Text Solution

    |

  5. Find out the heat evolved in combustion if 112 litre (at 1 atm, 273 K)...

    Text Solution

    |

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

    Text Solution

    |

  7. On complete combustion of 2 gm methane -26575 cals heat is generated. ...

    Text Solution

    |

  8. Xg of ethanal was subjected to combustion in a bomb calorimeter and th...

    Text Solution

    |

  9. The following are the heats of reactions - (i) Delta H(f)^(@) of H(2...

    Text Solution

    |

  10. The enthalpy combustion of a substance

    Text Solution

    |

  11. The value of Delta H for the combustion of C(s) is - 94.4 Kcal. The he...

    Text Solution

    |

  12. In the combustion of 0.4 g. of CH(4) 0.25 Kcal. Of heat is liberated. ...

    Text Solution

    |

  13. If C(6)H(12)O(6)(s)+9O(2)(g)rarr6CO(2)(g)+6H(2)O(g) , Delta H=-680 Kca...

    Text Solution

    |

  14. Which of the following equations corresponds to the enthalpy of combus...

    Text Solution

    |

  15. Heat of formation of CO(2) is -94.0 K. cal. What would be the quantity...

    Text Solution

    |

  16. The amount of heat liberated when one mole of NH(4)OH reacts with one ...

    Text Solution

    |

  17. If H^(+)+OH^(-)rarrH(2)O+13.7Kcal , the heat of neutralisation for com...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. The enthalpy of neutralisation of HCl by NaOH IS -55.9 kJ and that of...

    Text Solution

    |