Home
Class 12
CHEMISTRY
If enthalpy of combustion of carbon, hyd...

If enthalpy of combustion of carbon, hydrogen and `C_(3)H_(8)" are "x_(1),x_(2) and x_(3)"per "mol^(-1)` respectively , then the enthalpy of formation of `C_(3)H_(8)` will be

A

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

B

`x_(3)-3x_(1)-4x_(2)`

C

`3x_(1)+4x_(2)-x_(3)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THE SOLID STATE

    DISHA PUBLICATION|Exercise EXERCISE -2 : CONCEPT APPLICATOR|30 Videos

Similar Questions

Explore conceptually related problems

If the enthalpy of combustion of benzene (l), carbon (s) and hydrogen (g)are Q_(1) Q_(2)and Q_(3) respectively, what will be enthalpy of formation of Benzene?

The molar enthalpies of combustion of C_(2)H_(2)(g), C("graphite") and H_(2)(g) are -1300,-394 , and -286 kJ mol^(-1) , respectively. The standard enthalpy of formation of C_(2)H_(2)(g) is

The enthalpies of combustion of carbon and carbon monoxide are -390 kJ mol^(-1) and -278 kJ mol^(-1) respectively. The enthalpy of formation of carbon monoxide is

The enthalpies of combustion of carbon and carbond monoxide are -393.5 and -283kJ mol^(-1) respectively . The enthalpy of formation of carbond monoxide per mole is :

The enthalpies of combustion of carbon and carbon monoxide are -393.5 and -283 kJ mol^(-1) respectively. The enthaly of formation of carbon monoxide per mole is :

If enthalpies of formation of C_(2)H_(4)(g)1 and H_(2)O(l) at 25(@)C and 1 atm pressure be 52,-394 and -286kJmol^(-1) respectively ,the enthalpy of combustion of C_(2)H_(4)(g) will be

DISHA PUBLICATION-THERMODYNAMICS-Exercise
  1. If the door of a refrigerator is kept open, then which of the followin...

    Text Solution

    |

  2. 10 mole of ideal gas expand isothermally and reversibly from a pressur...

    Text Solution

    |

  3. One mole of an ideal gas (C(v,m)=(5)/(2)R) at 300 K and 5 atm is expan...

    Text Solution

    |

  4. Given that C+O(2)rarrCO(2),DeltaH^(@)=-xKJ and 2CO+O(2)rarr2CO(2),Delt...

    Text Solution

    |

  5. The heat of formations for CO(2)(g),H(2)O(l) and CH(4)(g) are -400kJ"m...

    Text Solution

    |

  6. The heat of neutralisation of strong base and strong acid is 57.0kJ/mo...

    Text Solution

    |

  7. If enthalpies of methane and enthane are respectively 320 and 560 calo...

    Text Solution

    |

  8. The heats of atomization of PH(3)(g) and P(2)H(4)(g) are 954 kJ "mol"^...

    Text Solution

    |

  9. Calculate the resonance enegry of N(2)O form the following data Delt...

    Text Solution

    |

  10. Enthalpy change for the reaction H^(+)(aq)+OH^(-)(aq)toH(2)O(l) is -...

    Text Solution

    |

  11. If enthalpy of combustion of carbon, hydrogen and C(3)H(8)" are "x(1),...

    Text Solution

    |

  12. The heat of sublimation of iodine is 24"cal"g^(-1) at 50^(@)C. If spec...

    Text Solution

    |

  13. The specific heat of a monoatomic gas at constant pressure is 248.2 J ...

    Text Solution

    |

  14. A steam boiler made up of steel weights 900 kg. The boiler contains 40...

    Text Solution

    |

  15. The enthalpy of neutraliztion of weak base A OH and a strong base BOH ...

    Text Solution

    |

  16. Two moles of ideal gas at 27^(@)C temperature is expanded reversibly f...

    Text Solution

    |

  17. Molar heat capacity of CD(2)O (deuterated form of formaldehyde) at con...

    Text Solution

    |

  18. For the reaction CO (g) + (1)/(2) O(2) (g) rarr CO(2) (g) Delta H ...

    Text Solution

    |

  19. The factor of DeltaG values is important in metallurgy. The DeltaG v...

    Text Solution

    |

  20. The densities of graphite and diamond at 298K are 2.25 and 3.31gcm^(-3...

    Text Solution

    |