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

Calculate the molar entropy of vaporisation of water , (Given : H_(2)O (l) hArr H_(2)O (g) , Delta H = 40.8 kJ* mol^(-1) )

PATHFINDER-THERMODYNAMICS-QUESTION BANK
  1. Enthalpy change for the reaction, 4H(g) overset to 2H2(g) is -869.5 kJ...

    Text Solution

    |

  2. If the enthalpy change for the transition of liquid water to steam is ...

    Text Solution

    |

  3. Based on the first law of thermodynamics, which one of the following i...

    Text Solution

    |

  4. The enthalpy of solution of sodium chloride is 4 kj mol^-1 and its ent...

    Text Solution

    |

  5. Four grams of graphite is burnt in a bomb calorimeter of heat capacity...

    Text Solution

    |

  6. Which reaction, with the following values of DeltaH, DeltaS at 400K is...

    Text Solution

    |

  7. The enthalpy of vaporisation of benzene is +35.3 kJ/mol at its boiling...

    Text Solution

    |

  8. For the reversible reaction, A(s) + B(g) iff C(g) + D(g), DeltaG^@ = -...

    Text Solution

    |

  9. A reaction is spontaneous at low temperature but non spontaneous at hi...

    Text Solution

    |

  10. At the sublimition temperture, for the process CO2(s) iff CO2(g) (1) ...

    Text Solution

    |

  11. Match the thermodynamic processes given under Column I with the expres...

    Text Solution

    |

  12. For the process H2O(i) to H2O(g) at T = 100^@C and 1 atmospere pressur...

    Text Solution

    |

  13. For complete combustion of ethanol, C2H5OH(l), + 3O2(g) to 2CO2(g) + ...

    Text Solution

    |

  14. The standard enthalpies of formation of CO2(g), H2O(l) and glucose (s)...

    Text Solution

    |

  15. A fixed mass m of a gas is subjected to transformation of states from ...

    Text Solution

    |

  16. A fixed mass m of a gas is subjected to transformation of states from ...

    Text Solution

    |

  17. For an ideal gas, consider only p-V work in going from an initial stat...

    Text Solution

    |

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

    Text Solution

    |

  19. The reversible expansion of an ideal gas under adiabatic and isotherma...

    Text Solution

    |

  20. A gas expands from a volume of 1 m^3 to a volume of 2 m^3 against an e...

    Text Solution

    |