Home
Class 12
CHEMISTRY
Given (at 25^(@)C): 2FeSO(4)(s)toFe(2)...

Given (at `25^(@)C`):
`2FeSO_(4)(s)toFe_(2)O_(3)(s)+SO_(2)(g)+SO_(3)(g),DeltaH^(0)=340.1kJ`
`2Fe(s)+(3)/(2)O_(2)(g)toFe_(2)O_(3)(s),DeltaH^(0)=-824.2kJ`
S(s, rhombic)`+O_(2)(g)toSO_(2)(g),DeltaH^(0)=-296.8kJ`
`SO_(2)(g)+(1)/(2)O_(2)(g)toSO_(3)(g),DeltaH^(0)=-98.9kJ`
Heat of formation (in kJ `mol^(-1)`) of `FeSO_(4)(s)` at `25^(@)C` is-

A

`-879.9`

B

`-789.6`

C

`-976.5`

D

`-928.4`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise VERY SHORT TYPE QUESTIONS|53 Videos
  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise FILL IN THE BLANKS|23 Videos
  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTION BANK|53 Videos
  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (NUMERICAL PROBLEMS)|37 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 15|15 Videos

Similar Questions

Explore conceptually related problems

Given (at 25^(@)C ): Ca(s)+(1)/(2)O_(2)(g)toCaO(s),DeltaH^(0)=-635.2kJ*mol^(-1) H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l),DeltaH^(0)=-285.8kJ*mol^(-1) CaO(s)+H_(2)O(l)toCa(OH)_(2)(s) , DeltaH^(0)=-65.6kJ*mol^(-1) The heat of formation (in kJ*mol^(-1) ) for Ca(OH)_(2) (s) is-

Given: C(graphite, s) +O_(2)(g)toCO_(2)(g),DeltaH^(0)=x_(1) C(graphite, s) +(1)/(2)O_(2)(g) to CO(g),DeltaH^(0)=x_(2) CO(g)+(1)/(2)O_(2)(g) to CO_(2)(g),DeltaH^(0)=x_(3) Express x_(3) in terms of x_(1) and x_(2) .

Given that (at 25^(@)C) : (1)/(2)H_(2)(g)+(1)/(2)O_(2)(g) to OH(g), Delta H^(0)= 38.95 " kJ mol"^(-1) H_(2)(g)+(1)/(2)O_(2)(g) to H_(2)O (g), Delta H^(0) = -241.8 " kJ mol"^(-1) H_(2)(g) to 2H(g), Delta H^(0)= 436.0 " kJ mol"^(-1) O_(2)(g) to 2O (g), Delta H^(0)= 498.3 " kJ mol"^(-1) Calculate Delta H^(0) for the following reaction - (a) OH(g) to H(g)+O(g) (b) H_(2)O(g) to 2H(g)+O(g)

Given: C(s)+O_(2)(g)toCO_(2)(g),DeltaH=-393.5kJ 2H_(2)(g)+O_(2)(g)to2H_(2)O(g),DeltaH=-571.6kJ Calculate DeltaH of the reaction: C(s)+2H_(2)O(g)toCO_(2)(g)+2H_(2)(g) .

DeltaH value for the given reactions at 25^(@)C are- C_(3)H_(8)(g)to3C(s)+4H_(2)(g),DeltaH^(0)=103.8kJ*mol^(-1) 2H_(2)(g)+O_(2)(g) to 2H_(2)O(l),DeltaH^(0)=-571.6kJ*mol^(-1) C_(2)H_(6)(g)+(7)/(2)O_(2)(g)to2CO_(2)(g)+3H_(2)O(l),DeltaH^(0)=-1560kJ*mol^(-1) CH_(4)(g)+2O_(2)(g) to CO_(2)(g)+2H_(2)O(l),DeltaH^(0)=-890kJ*mol^(-1) C(s)+O_(2)(g) to CO_(2)(g),DeltaH^(0)=-393.5kJ*mol^(-1) Calculate DeltaH^(0) for the reaction at 25^(@)C C_(3)H_(8)(g)+H_(2)(g)toC_(2)H_(6)(g)+CH_(4)(g)

Calculate DeltaH of the following reaction at 25^(@)C . 4Fe(s)+3O_(2)(g)to2Fe_(2)O_(3)(s) Given: Fe_(2)O_(3)(s)+3C("graphite")to2Fe(s)+3CO(g),DeltaH=117.30kcal C(graphite) +O_(2)(g)toCO_(2)(g),DeltaH=-94.05kcal CO(g)+(1)/(2)O_(2)(g)toCO_(2)(g),DeltaH=67.63kcal at 25^(@)C .

H_(2)O(l)toH^(+)(aq)+OH^(-)(aq),DeltaH^(0)=57.32kJ*mol^(-1) H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l),DeltaH^(0)=-285.8kJ*mol^(-1) at 25^(@)C . If DeltaH_(f)^(0)[H^(+)(aq)]=0 , then the standard heat of formation (kJ*mol^(-1)) for OH^(-)(aq) at 25^(@)C is-

Given: C+O_(2)toCO_(2),DeltaH^(0)=-xkJ 2CO+O_(2)to2CO_(2),DeltaH^(0)-y kJ Heat of formation of carbon monoxide will be-

Calculate the enthalpy change for the reaction: C_(2)H_(4)(g)+3O_(2)(g) to 2CO_(2)(g)+2H_(2)O(l) Given: C_(2)H_(6)(g)+(7)/(2)O_(2)(g) to 2CO_(2)(g)+3H_(2)O(l),DeltaH^(0)=-1562.0kJ H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l),DeltaH^(0)=-286.0kJ C_(2)H_(4)(g)+H_(2)(g)toC_(2)H_(6)(g),DeltaH^(0)=-32.0kJ

CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-MCQ HOTSPOT (SINGLE CORRENT TYPE)
  1. 1 mol of an ideal gas is enclosed in a cylinder fitted with a friction...

    Text Solution

    |

  2. Given (at 25^(@)C): Ca(s)+(1)/(2)O(2)(g)toCaO(s),DeltaH^(0)=-635.2kJ...

    Text Solution

    |

  3. Given (at 25^(@)C): 2FeSO(4)(s)toFe(2)O(3)(s)+SO(2)(g)+SO(3)(g),Delt...

    Text Solution

    |

  4. At 25^(@)C, the standard heats of formation of H(2)O(g),H(2)O(g),H(g) ...

    Text Solution

    |

  5. Given (at 25^(@)C): C(s, graphite)+(1)/(2)O(2)(g)toCO(g),DeltaH^(0)=...

    Text Solution

    |

  6. At 25^(@)C, for the reaction, H^(+)(aq)+OH^(-)(aq)toH(2)O(l),DeltaH^(0...

    Text Solution

    |

  7. The temperature of a bomb calorimeter changes from 25^(@)C to 32.7^(@)...

    Text Solution

    |

  8. In which of the following processes the change in entropy for the syst...

    Text Solution

    |

  9. A system undergoes the process: A to B to C to D. In this process, the...

    Text Solution

    |

  10. At 27^(@)C,DeltaH=+6kJ for the reaction A+2Bto3C. In the reaction, if ...

    Text Solution

    |

  11. An LPG cylinder contains 14 kg of butane. A family requires 2xx10^(4)k...

    Text Solution

    |

  12. For a reaction involving 1 mol of Zn and 1 mol of H(2)SO(4) in a bomb ...

    Text Solution

    |

  13. Assuming that water vapour is an ideal gas, the internal energy change...

    Text Solution

    |

  14. At 25^(@)C and 1 atm pressure, DeltaH and pressure-volume work for the...

    Text Solution

    |

  15. The initial state of 1 mol of an ideal gas is (P(1),V(1),T(1)). The ga...

    Text Solution

    |

  16. At a constant pressure the amount of heat required to raise the temper...

    Text Solution

    |

  17. Enthalpy of fusion of ice at 0^(@)C and 1 atm is 6.02 kJ*mol^(-1). The...

    Text Solution

    |

  18. At given pressure and a temperature of 300K, DeltaS(sys) and DeltaS("s...

    Text Solution

    |

  19. In a reversible process, if changes in entropy of the system and its s...

    Text Solution

    |

  20. A flask of volume 1L contains 1 mol of an ideal gas. The flask is conn...

    Text Solution

    |