Home
Class 12
CHEMISTRY
If pK(b) for fluoride ion at 25^(@)C is ...

If `pK_(b)` for fluoride ion at `25^(@)C` is `10.83`, the ionisation constant of hydrofluoric acid in water at this temperature is

A

`1.74 xx 10^(-5)`

B

`3.52 xx 10^(-3)`

C

`6.75 xx 10^(-4)`

D

`5.38 xx 10^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM IN AQUEOUS SOLUTIONS

    RC MUKHERJEE|Exercise Problems|64 Videos

  • EUDIOMETRY OR GAS ANALYSIS

    RC MUKHERJEE|Exercise PROBLEMS |28 Videos

  • MISCELLANEOUS OBJECTIVE QUESTIONS

    RC MUKHERJEE|Exercise MCQ|277 Videos

Similar Questions

Explore conceptually related problems

If pK_(b) for fluoride ion at 25^(@)C is 10.83 , the ionization constant of hydrofluroic acid in water at this temparature is

If pK_(b) for fluoride ion at 25^(@)C is 10.83 the ionisation constant of hydrofluoric acid at this temperature is

If pK_(b) for floride at 25^(0)C is 11 , the ionisation constant of hydrofluoric acid in water at this temperature is

Dissociation Constant of water at 25^(@)C is "

"At 25^(0)C the ionisation constant of weak mono acidic base is 10^(-9) .At the same temperature the pH of 0.1M solution of the base is

RC MUKHERJEE-IONIC EQUILIBRIUM IN AQUEOUS SOLUTIONS-Objective Problems
  1. When equal volumes of the following solutions are mixed, precipitation...

    Text Solution

    |

  2. If the salts M(2)X,QY(2), and PZ(3) have the same solubilities (lt(4)/...

    Text Solution

    |

  3. If pK(b) for fluoride ion at 25^(@)C is 10.83, the ionisation constant...

    Text Solution

    |

  4. The solubility of A2X2 is y mol/dm""^3. Its solubility product is

    Text Solution

    |

  5. Which of the following statements about buffer solutions is wrong?

    Text Solution

    |

  6. 10 ml of 0.1 M HCl is titrated with 0.1 M NaOH. When the volume of NaO...

    Text Solution

    |

  7. When one drop of a concentrated HC1 is added to 1L of pure water at 25...

    Text Solution

    |

  8. In which of the following aqucous solutions is the degree of dissociat...

    Text Solution

    |

  9. pH of an aqueous 1 xx 10^(-8) M NaOH solution is

    Text Solution

    |

  10. The pH of 1 xx 10^(-3) M H(2)O(2) solution (K(a)=2.2 xx 10^(-12)) is

    Text Solution

    |

  11. The pH of an aqueous solution of 0.01 M CH(3)COONH(4)" at "25^@C is (...

    Text Solution

    |

  12. The equilibrium: 2Cu^(1) Leftrightarrow Cu^0+ Cu^(u) in aqueous medium...

    Text Solution

    |

  13. How many litres of water must be added to 1 L of an aqueous solution o...

    Text Solution

    |

  14. The K(sp) of Ag(2)CrO(4) is 1.1xx10^(-12) at 298K. The solubility (in ...

    Text Solution

    |

  15. The reagment (s) that can selectively precipitate S^(2-) from a mixtu...

    Text Solution

    |

  16. pK(a) of a weak acid (HA) and pB(b) of a weak base (BOH) are 3.2 and 3...

    Text Solution

    |

  17. In the following reaction, ZnO is respectively acting as a/an (i) Zn...

    Text Solution

    |

  18. An alkali is titrated against an acid with methyl orange as indicator,...

    Text Solution

    |

  19. An aqueous solution contains an unknown concentratioon of Ba^(2+), Whe...

    Text Solution

    |

  20. Which of the following are Lewis acids?

    Text Solution

    |