Home
Class 12
CHEMISTRY
Calculate the heat of hydrogenation , ...

Calculate the heat of hydrogenation ,
`C_(2)H_(4)(g)+H_(2)(g)toC_(2)H_(6)(g)`
Given that, the heats of combustion of ethylene, hydrogen and ethane are -337.0, -68.4 and -373.0 kcal respectively.

A

23.4 kcal

B

62.2 kcal

C

32.4 kcal

D

32.4 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

Similar Questions

Explore conceptually related problems

Calculate the enthalpy of hydrogenation : C_(2)H_(5)(g) + H_(2)(g) to C_(2)H_(6)(g) Given that the bond enthalpies of H - H , C = C, C- C and C - H bonds are 433, 615, 347 and 413 kJ mol^(-1) respectively.

What is the heat of formation of C_(6)H_(6) , given that the heats of combustion of Benzene, carbon and Hydrogen are 782, 94 and 68K.Cal respectively

Calculate the enthalpy of hydrogenation of C_2 H_(4(g)) , given that the enthalpy of formation of ethane and ethylene as -30.2 kcal and +12.5 kcal respectively.

If H_(2)(g)=2H(g),DeltaH=104cal , then heat of atomisation of hydrogen is

MARVEL PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP)
  1. The value of Delta H for the combustion of C((s)) is -94.0 kcal. Find ...

    Text Solution

    |

  2. For an ideal gas the relationship between internal energy change Delta...

    Text Solution

    |

  3. Calculate the heat of hydrogenation , C(2)H(4)(g)+H(2)(g)toC(2)H(6)(...

    Text Solution

    |

  4. The heat of neutralisation of one mole of a strong acid (in dilute sol...

    Text Solution

    |

  5. In a reaction, if the heat content of product is more than that of rea...

    Text Solution

    |

  6. lf X kJ is the heat produced by the neutralisation of 1 L of 1 M H(2)S...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. For an isochoric process, the change in

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. In an isothermal expansion of an ideal gas

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |