Home
Class 11
CHEMISTRY
Using the data provided calculate the mu...

Using the data provided calculate the multiple bond energy `(KJ mol^(-))` of a C-=C bond in `c_2H_2` consider the bond energy of a C-H bond is `350 KJ mol^(-1)`
`2C(s)+H_2(g)rarr C_2H_2(g), Delta H=225KJ mol^(-1)`
`2C(s)rarr2 C(g), Delta H=1410 KJ mol^(-1)`
`H_2(g)rarr 2H(g), Delta H=330KJ mol^(-1)`

A

1165

B

837

C

865

D

815

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER (GASES & LIQUIDS)

    PATHFINDER|Exercise QUESTION BANK|280 Videos

Similar Questions

Explore conceptually related problems

The bond dissociation energies of two O-H bond in water are: H_2O(g)rarr H(g)+OH(g), Delta H=497.8 KJ mol^(-1) OH(g)rarr H(g)+O(g), Delta H=428.5 KJ mol^(-1) bond energy of O-H bond is

Cl_2(g)rarr 2Cl(g) Delta H^@=242KJ mol^(-1) what is its enthalpy of atomization?

Calculate the entropy change, at 0^@C for the process H_2O(s) rarr H_2O(I) . Given : At 0^@C , H_2O(s) rarr H_2O(g) , Delta H=51885 J. mol^-1 and H_2O(I) rarr H_2O(g) , Delta H=45860 J. mol^-1 .

If the bond energy of C-H bond is +416.18 kJ*mol^(-1) , then what will be the enthalpy of formation of C-H bond?

Calculate the bond energy of O-H bond in H_(2)O(g) at the standard state from the following data: (1) H_(2)(g) to 2H(g),DeltaH^(0)=436kJ*mol^(-1) (2) (1)/(2)O_(2)(g)toO(g),DeltaH^(0)=249k*mol^(-1) (3) H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(g),DeltaH_(f)^(0)[H_(2)O(g)]=-241.8kJ*mol^(-1) .

H_2(g)rarr2H(g), DeltaH=104.2 kcal . The bond energy of H-H bond is

Using the datas given calculate the heat of formation of ethylene. C(s)+O_2(g)rarrCO_2(g) ,Delta H=-97300 cal H_2(g)+1/2O_2(g)rarr H_2O(l), Delta H=-68400 cal , C_2H_4(g)+3O_2(g)rarr 2CO_2(g)+2H_2O(l), Delta H=-333000 cal

H_2O(l)rarr H_2O(g) ,DeltaH=+43.7 KJ H_2O(s) rarr H_2O(l) ,Delta h=+6.05KJ the value of Delta H_(vaporisation) of ice is

PATHFINDER-THERMODYNAMICS-QUESTION BANK
  1. If an endothermic reaction is non spontaneous at freezing point of wat...

    Text Solution

    |

  2. To determine the enthalpy of neutralisation of HCl with NaOH we use

    Text Solution

    |

  3. Using the data provided calculate the multiple bond energy (KJ mol^(-)...

    Text Solution

    |

  4. Which of the following for the given transformation is incorrect? P(wh...

    Text Solution

    |

  5. For the following reaction occuring in an automobile 2C8H18(g)+25O2(g)...

    Text Solution

    |

  6. The energy for molecular motion appears in the form of

    Text Solution

    |

  7. Four grams of helium gas is expanded from 1 atm to one tenth of its or...

    Text Solution

    |

  8. The enthalpy of neutralisation of HCl by NaOH is -57.1 KJ and that of ...

    Text Solution

    |

  9. Whenever an acid is neutralised by a base the net reaction is H^(+)(aq...

    Text Solution

    |

  10. The bond dissociation energies of two O-H bond in water are: H2O(g)rar...

    Text Solution

    |

  11. System performed pressure volume work when in between system and surro...

    Text Solution

    |

  12. Change in internal energy of a system is

    Text Solution

    |

  13. Which of the following statement is correct?

    Text Solution

    |

  14. For endothermic reaction which is correct?

    Text Solution

    |

  15. Which of the following element standard enthalpy is not to be equal to...

    Text Solution

    |

  16. When the bond of CH4(g) is dissociated then

    Text Solution

    |

  17. When a liquid substance is converted to solid substance its entropy

    Text Solution

    |

  18. When ozone is converted to oxygen then entropy

    Text Solution

    |

  19. A reaction occurs spontaneously if

    Text Solution

    |

  20. Assume the reaction is carried out in an open system for which reactio...

    Text Solution

    |