Home
Class 12
CHEMISTRY
On the basis of the following thermochem...

On the basis of the following thermochemical data `:` `(Delta_(f)G^(@)H_((aq.))^(+)=0)`
`H_(2)O_((l))rarr H_((aq.))^(+)+OH_((aq.))^(-),DeltaH=57.32kJ`
`H_(2(g))+(1)/(2)O_(2(g))rarrH_(2)O_((l)),DeltaH=-286.20kJ`
The value of enthalpy of formation of `OH^(-)` ion at `25^(@)C` is `:`

A

`-22.88` kJ

B

`-228.88` kJ

C

`+228.88` kJ

D

`-343.52` kJ

Text Solution

Verified by Experts

The correct Answer is:
B

Add two equations
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM IN AQUEOUS SOLUTIONS

    RC MUKHERJEE|Exercise Objective Problems|58 Videos
  • MISCELLANEOUS PROBLEMS FOR REVISION

    RC MUKHERJEE|Exercise SUBJECTIVE TYPE QUESTIONS|530 Videos

Similar Questions

Explore conceptually related problems

Calculate enthalpy of ionisation of OH^(-) ion. Given: H_(2)O_((l)) rarr H_((aq))^(+)+OH_((aq))^(-), ? H^(0) =57.32 kJ H_(2_((g)))+1/2 O_(2_((g))) rarr H_(2)O_((l)), ? H^(0) =-285.83 kJ

H_(2)O(l)toH_(2)O(g) , DeltaH=+43.7 kJ H_(2)O(s)toH_(2)O(l) , DeltaH=+6.05kJ The value of DeltaH_((sublimation)) of ice is

RC MUKHERJEE-MISCELLANEOUS OBJECTIVE QUESTIONS-MCQ
  1. The half-life period of a first order chemical reaction is 6.93 minute...

    Text Solution

    |

  2. Given E(Fe^(3+)//Fe)^(@)=-0.036V,E(Fe^(2+)//Fe)^(@)=-0.439V. The value...

    Text Solution

    |

  3. On the basis of the following thermochemical data : (Delta(f)G^(@)H((a...

    Text Solution

    |

  4. Copper crystallises in fcc with a unit cell length of 361 pm. What is ...

    Text Solution

    |

  5. Solid Ba(NO(3))(2) is gradually dissolved in a 1.0xx10^(-4)M Na(2)CO(3...

    Text Solution

    |

  6. Calculate the wavelength (in nanometer) associated with a proton movin...

    Text Solution

    |

  7. A binary liquid solution is prepared by mixing n-heptane and ethanol. ...

    Text Solution

    |

  8. The standard enthalpy of formation of NH(3) is -46.0KJ mol^(-1) . If t...

    Text Solution

    |

  9. The time for half-life period of a certain reaction, A rarr products i...

    Text Solution

    |

  10. A solution containing 2.675 g of CoCl(3).6NH(3) (molar mass = 267.5 g ...

    Text Solution

    |

  11. If 10^(-4) dm^(3) of water is introduced into a 1.0 dm^(3) flask to 30...

    Text Solution

    |

  12. If sodium sulphate is considered to be completely dissociated into cat...

    Text Solution

    |

  13. 29.5 mg of an organic compound containing nitrogen was digested accord...

    Text Solution

    |

  14. The energy required to break one mole of Cl-Cl bonds in Cl(2) is 242 k...

    Text Solution

    |

  15. Ionisation energy of He^(+) " is " 19.6 xx 10^(-18)J "atom"^(-1). The ...

    Text Solution

    |

  16. On mixing, heptane and octane form an ideal solution. At 373K the vapo...

    Text Solution

    |

  17. In an aqueous solution the ionisation constants for carbonic acid are ...

    Text Solution

    |

  18. The edge length of a face centred cubic cell of an ionic substance is ...

    Text Solution

    |

  19. Solubility product of silver bromide is 5.0xx10^(-13). The quantity of...

    Text Solution

    |

  20. The Gibbs energy for the decomposition of Al(2)O(3) at 500^(@)C is as ...

    Text Solution

    |