Home
Class 12
CHEMISTRY
Using the data provided, calculate the m...

Using the data provided, calculate the mutliple bond energy (kJ `mol^(-1)`) of a `C-=C` bond in `C_(2)H_(2)`. That energy is (take the bond energy of a C-H bond as 350 kJ `mol^(-1)`)
`2C(s)+H_(2)(g)toHC-=CH(g),DeltaH=225kJ mol^(-1)`
`2C(s)to2C(g),Delta=1410kJ" "mol^(-1)`
`H_(2)(g) to 2H(g),DeltaH=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

Similar Questions

Explore conceptually related problems

Using the data provided, calculate the multiple bond energy (kJ mol^(-1)) of a C-=C bond in C_(2)H_(2) . That energy is ( take the bond energy of a X-H bond as 350kJ mol^(-1)) . 2C_((s))+H_(2(g))rarr C_(2)H_(2(g)), Delta=225kJ mol^(-1) 2C_((g))rarr 2C_(g)), DeltaH=1410kJ mol^(-1) H_(2(g)) rarr 2H_((g)),DeltaH=330kJ mol^(-1)

Using the data provided, calculate the multiple bond energy ( kJ "mol"^(-1) ) of a C equiv C bond in C_(2)H_(2) .That energy is (take the bond enrgy of a C-H bond as 350 kJ "mol"^(-1) ): 2C(s) + H_(2)(g) to C_(2)H_(2)(g), DeltaH = 225 kJ "mol"^(-1) 2C(s) to 2C(g), DeltaH = 1410 kJ "mol"^(-1) H_(2)(g) to 2H(g), DeltaH = 330 kJ "mol"^(-1)

The average O-H Bond energy in H_(2)O with the help of following data : (P) H_(2)O(l)toH_(2)O(g)," "DeltaH=+40.6 kJ mol^(-1) (Q) 2H(g)toH_(2)(g)," "DeltaH=-435.0 kJ mol^(-1) (R ) O_(2)(g)to2O(g)," "DeltaH=+489.6 kJ mol^(-1) (S) 2H_(2)(g)+O_(2)(g)to2H_(2)O(l), " "DeltaH=-571.6 kJ mol^(-1)

The H-H bond energy is 430KJ mol^(-1) and Cl-Cl bonds is 240KJ mol^(-1) . DeltaH for HCl is -90KJ . The H-Cl bond energy is about.

DISHA-THERMODYNAMICS-CHEMISTRY
  1. Standard entropy of X(2),Y(2) and X(3),Y(3) are 60, 40 and 50 JK^(-1)m...

    Text Solution

    |

  2. A heat engine absorbs heat Q(1) at temperature T(1) and heat Q(2) at t...

    Text Solution

    |

  3. The standard enthalpies of formation of CO(2)(g),H(2)O(l) and glucose...

    Text Solution

    |

  4. Using the data provided, calculate the mutliple bond energy (kJ mol^(-...

    Text Solution

    |

  5. The enthalpy of neutralisation of NH(4)OH and CH(3)COOH is -10.5 kcal ...

    Text Solution

    |

  6. The enthalpy change of formation of CO(2)(g) is -393 kJ mol^(-1) and t...

    Text Solution

    |

  7. The lattice energy of solid NaCl is 180 kcal mol^(-1) and enthaly of s...

    Text Solution

    |

  8. A certain reaction is non spontaneous at 298K. The entropy change duri...

    Text Solution

    |

  9. Which of the following statement is incorrect?

    Text Solution

    |

  10. The DeltaH at 358 K for the reaction Fe(2)O(3)(g)+3H(2)(g) to 2Fe(s)...

    Text Solution

    |

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

    Text Solution

    |

  12. DeltaH(f)^(@) of NF(3) is -113 kJ mol^(-1) and N-F bond energy is 273....

    Text Solution

    |

  13. Consider the following process? DeltaH(kJ//mol) 1//2Ato" "+150 ...

    Text Solution

    |

  14. For an isothermal reversible expansion process, the value of q can be ...

    Text Solution

    |

  15. From the following data DeltaH of the following reactions C(s)+(1)/(...

    Text Solution

    |

  16. The heats of neutralisation of CH(3)COOH,HCOOH,HCN and H(2)S are -13.2...

    Text Solution

    |

  17. Which of the following salts should cause maximum cooling when 1 mole ...

    Text Solution

    |

  18. Read the following statements carefully and choose the correct option ...

    Text Solution

    |

  19. Consider the following reaction occurring in an automobile 2C(8)H(18)(...

    Text Solution

    |

  20. Choose the eraction with negative DeltaS value.

    Text Solution

    |