Home
Class 12
CHEMISTRY
Bond energies of H - H bond is 80 kJ/mol...

Bond energies of H - H bond is 80 kJ/mol, I - I bond is 100 kJ/mol and for H - I bond is 200 kJ/mol, the enthalpy of the reaction : `H_(2)(g) + I_(2)(g) rarr 2HI(g)` is

A

`-120` kJ

B

`200` kJ

C

`+100` kJ

D

`+120` kJ

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise SECTION-C|13 Videos

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise SECTION-D|9 Videos

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise SECTION-A|45 Videos

  • THE SOLID STATE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - D) (ASSERTION-REASON TYPE QUESTION)|20 Videos

Similar Questions

Explore conceptually related problems

The bond enthalpy of C - C, C = C, H - H and C - H bonds are 350,600,400 and 410 kJ · mol-1 respectively. The enthalpy change for reaction C_(2)H_(4(g)) +H_(2(g)) rarr C_(2)H_(6(g)) is

The equilibrium constant for A(g)+B_(2)(g) hArr AB_(2)(g)" "k_(p)=100 at 522K . Structure of AB_(2) is like H_(2)O . If bond energy of A-B bond is 200 kJ//mol and that of B-B bond is 100 kJ//mol, the find Delta S^(@) of the above reaction :

AAKASH INSTITUTE-THERMODYNAMICS-SECTION-B
  1. Bond energies of H - H bond is 80 kJ/mol, I - I bond is 100 kJ/mol and...

    Text Solution

    |

  2. The enthalpy of formation of H(2)O(l) is -280.70 kJ/mol and enthalpy o...

    Text Solution

    |

  3. Heat of neutralisation of a strong dibasic acid in dilute solution by ...

    Text Solution

    |

  4. The heat released in neutralisation of HCI and NaOH is 13.7 kcal/mol, ...

    Text Solution

    |

  5. Which of the following reactions represents the enthalpy of formation ...

    Text Solution

    |

  6. The energy required to break 76 gm gaseous fluorine into free gaseous ...

    Text Solution

    |

  7. For the reaction 2HgO(s) rarr 2Hg(l) + O(2)(g)

    Text Solution

    |

  8. The heat of combustion of yellow phoshphorus and red phosphorus are -9...

    Text Solution

    |

  9. If the entropy of vaporisation of a liquid is 110 JK^(-1)mol^(-1) and ...

    Text Solution

    |

  10. Which of the following represents heat of formation (Delta H(f)) ?

    Text Solution

    |

  11. 1 mole of an ideal gas is expanded from an initial pressure of 1 bar t...

    Text Solution

    |

  12. Which of the following conditions should be satisfied for the given re...

    Text Solution

    |

  13. The heat of formation of CO(2) is -407 kJ/mol. The energy required for...

    Text Solution

    |

  14. The free energy change due to a reaction is zero when

    Text Solution

    |

  15. From the given graph Which of the following statement is correct ...

    Text Solution

    |

  16. The heat of combustion of sucrose C(12) H(22) O(11)(s) at constant vol...

    Text Solution

    |

  17. For the reaction, C(7)H(8)(I) + 9O(2)(g) rarr 7 CO(2)(g) + 4H(2)O(I), ...

    Text Solution

    |

  18. Given that , A(s) rarr A(l)DeltaH=x A(l) rarr A(g), DeltaH=y The...

    Text Solution

    |

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

    Text Solution

    |

  20. One mole of a perfect gas expands isothermally to ten times its origin...

    Text Solution

    |