Home
Class 12
CHEMISTRY
Given NH(3)(g)+3Cl(2)(g)toNCl(3)(g)+3H...

Given
`NH_(3)(g)+3Cl_(2)(g)toNCl_(3)(g)+3HCl(g)+x_(1)`
`N_(2)(g)+3H_(2)(g)to2NH_(3)(g)+x_(2)`
`H_(2)(g)+Cl_(2)(g)to2HCl(g)-x_(3)`
The heat of formation of `NCl_(3)(g)`

A

`-x_(1)-(x_(2))/(2)-(3x_(3))/(2)`

B

`x_(1)+(x_(2))/(2)-(3)/(2)x_(3)`

C

`x_(1)-(x_(2))/(2)-(3)/(2)x_(3)`

D

`x_(1)+x_(2)+(3x_(3))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Carry out the following operation
`(1)/(2)[eqn.(ii)]+eqn. (i)-(3)/(2)[eqn.iii]`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Additional Numerical Problems For Practice|16 Videos

  • CHEMISTRY IN EVERY DAY LIFE

    DINESH PUBLICATION|Exercise Unit test-9|50 Videos

Similar Questions

Explore conceptually related problems

NH_(3)(g)+3Cl_(2)toNCl_(3)(g)+3HCl(g),DeltaH_(1) N_(2)(g)+3H_(2)(g)to2NH_(3)(g),DeltaH_(2) H_(2)(g)+Cl_(2)(g)to 2HCl(g),DeltaH_(3) The heat of formation of NCl_(3) (g) in the terms of DeltaH_(1),DeltaH_(2),DeltaH_(3) is :

NH_(3)(g)+3C1_(2)(g)rarrNCL_(3)(g)+3HC1(g)DeltaH_(1) N_(2)(g)+3H_(2)(g)rarr2NH_(3),DeltaH_(2) H_(2)(g)+CL_(2)(g)rarr2HC1(g),DeltaH_(1) The heat of fomation of NC1_(2)(g) in the terms of DeltaH_(1) , DeltaH_(2) and DeltaH_(3) is

NH_(3)(g) + 3Cl_(2)(g) rarr NCl_(3)(g) + 3HCl(g), " "DeltaH_(1) N_(2)(g)+3H_(2)(g)rarr 2NH_(3)(g), " "DeltaH_(2) H_(2)(g)+ Cl_(2)(g) rarr 2HCl(g) , " " DeltaH_(3) The heat of formation of NCl_(3) in the terms of DeltaH_(1), DeltaH_(2) "and" DeltaH_(3) is

NH_(3)(g) + 3Cl_(2)(g) rarr NCl_(3)(g) + 3HCl(g), " "DeltaH_(1) N_(2)(g) + 3H_(2)(g) rarr 2NH_(3)(g), " "Delta H_(2) H_(2)(g) + Cl_(2)(g) rarr 2HCl(g), " "Delta H_(3) The heat of formation of NCl3(g) in the terms of DeltaH_(1), DeltaH_2 and DeltaH_(3) is :

Given : (i) NH_(3) (g) + 3Cl_(2)(g) rarr NCl_(3)(g)+3HCl(g) , Delta H_(1) (ii) N_(2)(g) + 3H_(2)(g) rarr 2NH_(3)(g) , Delta H_(2) (iii) H_(2)(g)+Cl_(2)(g) rarr2HCl(g) , Delta H_(3) Express the enthalpy of formation of NCl_(3)(g)(Delta H_(f)) in terms of DeltaH_(1), Delta H_(2) and Delta H_(3) :

Given a. NH_(3)(g)+3CI(g)rarr NCI_(3)(g),3HCI(g),DeltaH_(1) b. N_(2)(g)+3H_(2)(g)rarr 2NH_(3)(g),DeltaH_(2) c. H_(2)(g)+CI_(2)(g)rarr 2HCI(g),DeltaH_(3) Express the enthalpy of formation of NCI_(3)(g)(Delta_(f)H^(Theta)) in terms of DeltaH_(1), DeltaH_(2) ,and DeltaH_(3) .

For the reaction, N_(2)(g)+3H_(2)(g) to 2NH_(3)(g)

DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. In a flask, colourless N(2)O(4) is in equilibrium with brown-coloured ...

    Text Solution

    |

  2. The gas with the highest heat of combustion is :

    Text Solution

    |

  3. Given NH(3)(g)+3Cl(2)(g)toNCl(3)(g)+3HCl(g)+x(1) N(2)(g)+3H(2)(g)t...

    Text Solution

    |

  4. A scientist needs a refrigeration machine to maintain temperature of -...

    Text Solution

    |

  5. Under the same conditions, how many mL of 1M KOH and 0.5M H(2)SO(4)sol...

    Text Solution

    |

  6. The standard molar heats of formation of ethane, carbon dioxide, and l...

    Text Solution

    |

  7. The enthalpy of combustion of H(2) , cyclohexene (C(6)H(10)) and cyclo...

    Text Solution

    |

  8. Which of the following is an endothermic reaction?

    Text Solution

    |

  9. The heat released when NH(4)OH and HCl neutralise is

    Text Solution

    |

  10. The difference between the heats of reaction at constant pressure and ...

    Text Solution

    |

  11. Which of the following equations represents standard heat of combustio...

    Text Solution

    |

  12. Identify the state quantiy among the following

    Text Solution

    |

  13. The DeltaH(f)^(@) for CO(2)(g), CO(g) and H(2)O(g) are -395.5,-110.5 a...

    Text Solution

    |

  14. Which of the following statement is false ?

    Text Solution

    |

  15. In thermodynamics, a process is called reversible when

    Text Solution

    |

  16. One mole of non-ideal gas undergoes a change of state (2.0 "atm", 3.0 ...

    Text Solution

    |

  17. Which of the following reactions will define DeltaH(f)^(@) ?

    Text Solution

    |

  18. The enthalpy of vaporisation of a liquid is 30 kJ mol^(-1) and entropy...

    Text Solution

    |

  19. Two moles of an ideal gas is expanded isothermally and reversibly from...

    Text Solution

    |

  20. One mole of monoatomic ideal gas at T(K) is exapanded from 1L to 2L ad...

    Text Solution

    |