Home
Class 12
CHEMISTRY
The dissociation energy of CH4 and C2H6...

The dissociation energy of `CH_4 and C_2H_6` are respectively 360and 620 kcal/mole. The bond energy of C-C bond is:

A

260 kcal/mol

B

180 kcal/mol

C

130 kcal/mol

D

80 kcal/mol

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MBD PUBLICATION|Exercise Question Bank|390 Videos

  • TRANSITION METALS (d-BLOCK ELEMENTS)

    MBD PUBLICATION|Exercise QUESTION BANK|1320 Videos

Similar Questions

Explore conceptually related problems

The bond order of C_2^+ is :

The dissociation energy of CH_4 is 360 kcals/mole. What is the energy associated with C-H bond ?

The C-C bond length in ethane is:

For a diatomic molecule AB, the electronegativity difference between A and B= 0.2028 sqrt triangle where triangle =[Bond energy of AB- Geometric mean of the bond energies of A_2 and B_2]. The electonegativities of fluorine and chlorine are 4.0 and 3.0 respectively and the bond energies are of F-F : 38 kcal mol^-1 and Cl-Cl : 58 kcal mol^-1 . The bond energy of Cl-F is:

Energy required to dissociate 4 gms of gaseous hydrogen into free gaseous atoms is 208 kcals at 25^@C . The bond energy of H-H bond will be

Energy required to dissociate 4 gms of gaseous hydrogen into free gaseous atoms is 208 kcals at 25^@C . The bond energy of H-H bond will be

If the enthalpy change for the reaction CH_4(g)+Cl_2(g)rarrCH_3Cl(g)+HCl(g) , triangleH =-25 kcal. Bond energy of C-H is 20kcal/mol greater than the bond energy of C-Cl and bond energies of H-H and H-Cl are same in magnitude, then for the reaction: 1//2H_2(g)+1//2Cl_2(g)rarrHCl(g) triangleH is

MBD PUBLICATION-THERMODYNAMICS-Question Bank
  1. For a diatomic molecule AB, the electronegativity difference between A...

    Text Solution

    |

  2. If heat of neutralisation is -13.7 k cal and Hf^(@)H2O=-68 k cal, then...

    Text Solution

    |

  3. The dissociation energy of CH4 and C2H6 are respectively 360and 620 k...

    Text Solution

    |

  4. 2.1 g of Fe combines with S evolving 3.77 kJ of heat. The heat of form...

    Text Solution

    |

  5. The heat of neutralisation of HCl by NaOH is-55.9 kJ/mol. If the heat ...

    Text Solution

    |

  6. When a certain amount of ethylene was burnt 6226 kJ heat was evolved. ...

    Text Solution

    |

  7. The heat evolved during the combustion of 112 litre of water gas (mixt...

    Text Solution

    |

  8. Heat of combustion of CH4, C2H4, C2H6 are-890, -1411 and -1560 kJ/mol ...

    Text Solution

    |

  9. triangleH for CaCO3(s)rarrCaO(s)+CO2(g) is 176 kJ mol^-1 at 1240 K. T...

    Text Solution

    |

  10. Energy required to dissociate 4 gms of gaseous hydrogen into free gase...

    Text Solution

    |

  11. Energy change during neutralisation of NH4OH and HCl is :

    Text Solution

    |

  12. From the thermochemical reactions, C graphite+1//2O2=CO, triangleH=-11...

    Text Solution

    |

  13. Energy change during neutralisation of NH4OH and HCl is :

    Text Solution

    |

  14. triangleH for thermal decomposition process is:

    Text Solution

    |

  15. Hess's law of constant heat summation is an application of:

    Text Solution

    |

  16. Bond energy of a molecule:

    Text Solution

    |

  17. For the reaction, 3O2rarr2O3, triangleH=+ve. We can say that:

    Text Solution

    |

  18. Which of the following is incorrect about the reaction,

    Text Solution

    |

  19. The exchange of heat energy during chemical reaction at constant tempe...

    Text Solution

    |

  20. Molar heat capacity of water in equilibrium with the ice at constant p...

    Text Solution

    |