Home
Class 12
CHEMISTRY
Calculate enthalpy change of the followi...

Calculate enthalpy change of the following reaction :
`CH_(2) = CH_(2)(g) + H_(2)(g) rarr CH_(3) - CH_(3)(g)`
The bond energy of C - H, C - C, C = C, H - H are 414, 615 and 436 kJ `mol^(-1)` respectively.

A

`-100 kJ`

B

`-125 kJ`

C

`-150 kJ`

D

`-175 kJ`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I (REASONING TYPE QUESTIONS)|2 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-II|25 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (SUBJECTIVE) LEVEL -2|15 Videos

  • TEST PAPERS

    FIITJEE|Exercise CHEMISTRY|747 Videos

  • TRANSITION ELEMENTS & COORDINATION COMPOUNDS

    FIITJEE|Exercise MATCHIG LIST TYPE QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

Calculate enthalpy change of the following reaction : H_(2)C=CH_(2(g))+H_(2(g)) rarr H_(3)C-CH_(3(g)) The bond energy of C-H,C-C,C=C,H-H are 414,347,615 and 435k J mol^(-1) respectively.

Calculate the enthalpy of the following reaction: H_(2)C =CH_(2)(g) +H_(2)(g) rarr CH_(3)-CH_(3)(g) The bond enegries of C-H, C-C,C=C , and H-H are 99,83,147 ,and 104kcal respectively.

Calculate the enthalpy of hydrogenation : C_(2)H_(5)(g) + H_(2)(g) to C_(2)H_(6)(g) Given that the bond enthalpies of H - H , C = C, C- C and C - H bonds are 433, 615, 347 and 413 kJ mol^(-1) respectively.

The reagent used for the following reaction is/are: CH_(3)-CH=CH-C_(2)H_(5) to CH_(3)CHO+C_(2)H_(5)CHO

Calculate C - Cl bond enthalpy from following reaction : CH_(3) Cl(g) + Cl_(2) (g) to CH_(2) Cl_(2) (g) + HCl(g) Delta H^(@) = - 104 kJ . If C-H,Cl - Cl and H - Cl bond enthalpies are 414, 243 and 431 kJ "mol"^(-1) respectively.

Determine enthalpy change for the reaction, CH_(4(g))+Cl_(2(g))rarr CH_(3)Cl_((g))+HCl_((g)) Bond energies for C-H,C-Cl,Cl-Cl,H-Cl are 412,338,242,431k J mol^(-1) respectively.

FIITJEE-THERMODYNAMICS AND THERMOCHEMISTRY -ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I
  1. The work done in an open vessel at 300K, when 112g iron reacts with di...

    Text Solution

    |

  2. Which reaction process with increase in entropy?

    Text Solution

    |

  3. Calculate enthalpy change of the following reaction : CH(2) = CH(2)(...

    Text Solution

    |

  4. Estimate the average S-F bond enthalpy in SF(6). The values of standar...

    Text Solution

    |

  5. The heat of reaction for N(2)+3H(2) rarr 2NH(3) at 27^(@)C is -91.94kJ...

    Text Solution

    |

  6. Given Delta("ioniz")H^(o)(HCN)=45.2 kJ mol^(-1) and Delta("ioniz")H^(o...

    Text Solution

    |

  7. If H(2)(g) <implies 2H(g) Then heat of atomization of H(2) is

    Text Solution

    |

  8. At 298 K in a constant volume calorimeter 0.01 mole of TNT was detonat...

    Text Solution

    |

  9. The difference between heat of reaction and change in internal energy ...

    Text Solution

    |

  10. One mole of an ideal gas expand spontaneously into a vacccum. The work...

    Text Solution

    |

  11. Which of the following processes is an isoentropic process?

    Text Solution

    |

  12. When solid NH(4)NO(3) is dissolved in water at 25^(@)C, the temperatur...

    Text Solution

    |

  13. Which of the following expression represent the work done in reversibl...

    Text Solution

    |

  14. The heats of neutralisation of four acidsA,B,C and D are -13.7,-9.4,-1...

    Text Solution

    |

  15. Which fuel provides the highest calorific value?

    Text Solution

    |

  16. Given at A(s) to A(l), DeltaH =x A(l) to A(g), DeltaH =y The hea...

    Text Solution

    |

  17. A person requires 2870 kcal of energy to lead normal daily life. If he...

    Text Solution

    |

  18. If, combustion of 4g of CH(4) liberates 2.5kcal of heat, the heat of c...

    Text Solution

    |

  19. AB,A(2) and B(2) are diatomic molecules. If the bond enthalpies of A(2...

    Text Solution

    |

  20. DeltaC(p) for the change, N(2)(g) + 3H(2)(g) = 2NH(3)(g) is

    Text Solution

    |