Home
Class 11
CHEMISTRY
Enthalpy of polymerisation of ethylene, ...

Enthalpy of polymerisation of ethylene, as represented by the reaction ,
`Q : N_(2)(g)+2O_(2)(g)toN_(2)O_(4)(g),DeltaH_(Q)=2.31kcal` is `-100` kJ per mole of ethylene. Given bond enthalpy of `C=C` bond is 600 kJ `mol^(-1)`, enthalpy of `C-C` bond (in kJ mol) will be :

A

116.7

B

350

C

700

D

intermediate

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

Enthalpy of polymerisation of ehtylene, as represented by the reaction , nCH_(2)=CH_(2)rarr(-CH_(2)-CH_(2)-) is -100 kJ per mole of ehtylene. Given bond enthalpy of C=C bond is 600 kJ mol^(-1) , enthalpy of C-C bond ( in kJ mol) will be:

H_(2)(g) +(1)/(2)O_(2)(g) rarr H_(2)O(g) DeltaH =- 242 kJ mol^(-1) Bond energy of H_(2) and O_(2) is 436 and 500 kJ mol^(-1) , respectively. What is bond energy of O-H bond?

Calculate the standard enthalpy of formation of ethylene, C_(2)H_(4)(g) from the following thermochemical equation : C_(2)H_(4)(g) + 3O_(2)(g) to 2CO_(2)(g) + 2H_(2)O(g) Delta_(r)H^(@) = -1323 kJ Given the standard enthalpy of formation of CO_(2)(g) and H_(2)O(g) are - 393.5 and -249 kJ mol^(-1) respectively.

The polymerisation of ethylene to linear polyethylene is represented by the reaction nCH_(2)=CH_(2)rarr(-CH_(2)-CH_(2)-)_(n) When n has a large integral value. Given theat the average enthalpies of bond dissociation for C=C and C-C at 298K are +590 and +331kJ mol^(-1) respectively, calculate the enthalpy of polymerisation per mole of ethylene at 298K .

The enthalpies of formation of N_(2)O and NO are respectively 82 and 90 kJ mol^(-1) . The enthalpy of reaction 2N_(2)O(g)+O_(2)(g)to4NO(g) is

The enthalpy of combustion of H_(2(g)) to give H_(2)O_((g)) is -249 kJ mol^(-1) and bond enthalpies of H-H and O=O are 433 mol^(-1) and 492 kJ mol^(-1) respectively. The bond enthalpy of O-H is

The enthalpy change (DeltaH) for the process, N_(2)H_(4)(g)to 2N(g)+4H(g) is is 1724 kJ mol^(-1) . If the bond energy of N-H bond in ammonia is 391 kJ mol^(-1) , what is the bond energy for N-N bond in N_(2)H_(4) ?

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. When a certain amount of ethylene was combusted, 6226 kJ heat was evol...

    Text Solution

    |

  2. Given the following reaction : P : N(2)(g)+2O(2)(g)to2NO(2)(g),Delta...

    Text Solution

    |

  3. Enthalpy of polymerisation of ethylene, as represented by the reaction...

    Text Solution

    |

  4. The heat of formation of HCl at 348 K from the following data will be ...

    Text Solution

    |

  5. The average Xe-F bond energy is 34Kcal//mol , first I.E. Of Xe is 279K...

    Text Solution

    |

  6. Reactions involving gold have been of particular intrests to alchemist...

    Text Solution

    |

  7. Enthalpy of neutralization of H(3)PO(3) "with " NaOH " is" -106.68 "kJ...

    Text Solution

    |

  8. The enthalpy of neutralisation of a weak acid in 1 M solution with a s...

    Text Solution

    |

  9. Combustion of sucrose is used by aerobic organisms for providing energ...

    Text Solution

    |

  10. The DeltaH(f)^(@) for CO(2)(g), CO(g) and H(2)O(g) are -395.5,-110.5 a...

    Text Solution

    |

  11. Diborane is a potential rocket fuel which undergoes combustion accordi...

    Text Solution

    |

  12. Which of the following equation gives the values of heat of formation ...

    Text Solution

    |

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

    Text Solution

    |

  14. Calculate standard molar entropy O(2)(g) from the following thermodyna...

    Text Solution

    |

  15. The enthalpy changes for the following process are listed below : Cl...

    Text Solution

    |

  16. The standard enthalpy of formation (Delta(f)H^(@)) at 298K for methan...

    Text Solution

    |

  17. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

    Text Solution

    |

  18. On the basis of the following thermochemical data : (Delta(f)G^(@)H((a...

    Text Solution

    |

  19. In a fuel cell methanol is used as fuel and oxygen gas is used as an o...

    Text Solution

    |

  20. Given the following equations and DeltaH^(@) values, determine the ent...

    Text Solution

    |