Home
Class 12
CHEMISTRY
Which are of the following is an exother...

Which are of the following is an exothermic reaction?

A

`N_(2(g)) + O_(2(g)) +180.9kJ rarr 2NO_((g))`

B

`N_(2(g)) + 3H_(2(g))- 292k.J rarr 2NH_(3(g))`

C

`C_("graphite") + H_(2)O_((g)) rarr CO_((g)) + H_(2(g)) -131.3 kJ`

D

`C_("graphite") + 2S_((s)) rarr CS_(2(l)) -91.9k.J`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet- Exercise-III|30 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet- Exercise-IV|20 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet-Exercise-I|33 Videos

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 4 (Assertion (A) & Reason (R) Type Questions)|44 Videos

  • CHEMISTRY IN EVERY DAY LIFE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|29 Videos

Similar Questions

Explore conceptually related problems

In exothermic reaction

Which of the following is not a exothermic reaction?

Not an exothermic reaction

Which of the following is an endothemic reaction?

Which of the following is true for an exothermic reaction A hArr B if E, and E_(b) are the activation enegries of formard and backward reactions respectively?

Which of the following is an irreversible reaction

AAKASH SERIES-CHEMICAL THERMODYNAMICS-Practice Sheet- Exercise-II
  1. At 375K and at a total pressure of one atmosphere sulphuryl chloride (...

    Text Solution

    |

  2. Statement -I: Heat of neutralization of HCl and NaOH is same as that o...

    Text Solution

    |

  3. Which are of the following is an exothermic reaction?

    Text Solution

    |

  4. For which of the following elements, the standard enthalpy is not zero...

    Text Solution

    |

  5. The enthalpy of elements in their standard states are taken as zero. H...

    Text Solution

    |

  6. Enthalpy of neutralisation of all strong acids and strong bases has th...

    Text Solution

    |

  7. The heats of combustion of carbon,hydrogen and acetylene are -394kJ, -...

    Text Solution

    |

  8. The standard enthalpies of formation of H(2)O(2(l)) and H(2)O((l)) are...

    Text Solution

    |

  9. Given C+ 2S rarr CS(2), DeltaHf^(0) = +117.0 KJ mol^(-1), C + O(2) rar...

    Text Solution

    |

  10. The lattice energy of solid NaCl is 180K. Call per mol. The dissolutio...

    Text Solution

    |

  11. The enthalpy of solution of BaCl(2)(s) and BaCl(2).2H(2)O(s) " are " -...

    Text Solution

    |

  12. Hess's law states that

    Text Solution

    |

  13. Equal volumes of equi molar HCl and H(2)SO(4) are separately neutralis...

    Text Solution

    |

  14. The bond dissociation energies for Cl(2),I(2) and Icl are 242.3, 151 a...

    Text Solution

    |

  15. Enthalpy of neutralisation of H(3)PO(3) acid is -106.68kJ//mol using N...

    Text Solution

    |

  16. If DeltaH(f)^(0) " for" H(2)O(2(l)) and H(2)O((l)) " are " -188 kJ mol...

    Text Solution

    |

  17. Chemical reactions are invariably associated with the transfer of ener...

    Text Solution

    |

  18. Chemical reactions are invariably associated with the transfer of ener...

    Text Solution

    |

  19. Chemical reactions are invariably assocated with the transfer of energ...

    Text Solution

    |

  20. Chemical reactions are invariably assocated with the transfer of energ...

    Text Solution

    |