Home
Class 12
CHEMISTRY
Given that C+O(2)rarrCO(2),DeltaH^(@)=-x...

Given that `C+O_(2)rarrCO_(2),DeltaH^(@)=-xKJ` and `2CO+O_(2)rarr2CO_(2),DeltaH^(@)=-yKJ` The enthalpy of formation of carbon monoxide will be

A

`(y-2x)/2`

B

y+2x

C

2x-y

D

`(2x-y)/2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|25 Videos
  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise CRITICAL THINKING|95 Videos
  • CHEMICAL KINETICS

    TARGET PUBLICATION|Exercise Evaluation test|13 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    TARGET PUBLICATION|Exercise 7|3 Videos

Similar Questions

Explore conceptually related problems

Given that : 2CO_((g))+O_(2(g))rarr2CO_(2(g)),DeltaH^(@)=-P kJ C_((s))+O_(2(g))rarr CO_(2(g)), DeltaH^(@)=-Q kJ the enthalpy of formation of carbon monoxide is :

Given : C("diamond")+O_(2)rarrCO_(2),DeltaH=-395 kJ C("graphite")+O_(2)rarrCO_(2),DeltaH=-393 kJ The enthalpy of formation of diamond from graphite is

If C(s)+O_(2)(g)rarrCO_(2)(g),DeltaH=X and CO(g)+1//2O_(2)(g)rarrCO_(2)(g),DeltaH=Y , then the heat of formation of CO is

TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -COMPETITIVE THINKING
  1. Theoretical basis of Hess's law is .

    Text Solution

    |

  2. In the reactions, S+ 3/2 O2 to SO3 + 2x kJ and SO2 + 1/2 O2 to SO3...

    Text Solution

    |

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

    Text Solution

    |

  4. The enthalpies of combustion of carbon and carbon monoxide are -393.5 ...

    Text Solution

    |

  5. For which among the following reactions change in entrophy is less...

    Text Solution

    |

  6. The unit of entropy is

    Text Solution

    |

  7. What is the entropy change (in JK^(-1)mol^(-1)) when one mole of ice i...

    Text Solution

    |

  8. One mole of NaCl((s)) on melting absorbed 30.5 kJ of heat and its entr...

    Text Solution

    |

  9. One mole of water at 100^@C is converted into steam at 100^@C at a con...

    Text Solution

    |

  10. If the enthalpy of vaporisation of water is 186.5 J mol^(-1), then ent...

    Text Solution

    |

  11. For a sample of perfect gas when its pressure is changed isothermally ...

    Text Solution

    |

  12. The standard entropies of CO(2(g)), C((s)), and O(2(g)) are 213.5, 5.7...

    Text Solution

    |

  13. Considering entropy (S) as a thermodynamics parameter, the criterion f...

    Text Solution

    |

  14. The criterion for a spontaneous process is

    Text Solution

    |

  15. Adsorpton of gases on solid surface is generally exothermic because :

    Text Solution

    |

  16. Ice and water are at equilibrium at 0^@C , DeltaH=4 kJ/mol for the pro...

    Text Solution

    |

  17. Which of the following statements of correct for the spontaneous adsop...

    Text Solution

    |

  18. The correct thermodnamic conditions for the spontaneous reaction at al...

    Text Solution

    |

  19. An endotthermic reaction is non-spontaneous at freezing point of water...

    Text Solution

    |

  20. The standard enthalpy or the decomposition of N2 O5 to NO2 is 58.04 kJ...

    Text Solution

    |