Home
Class 12
CHEMISTRY
The dissociation constant of HCN is 1.3 ...

The dissociation constant of HCN is `1.3 xx 10^-9`. The value of hydrolysis constant of KCN will be:

A

`1.3xx10^(-19)`

B

`10^(-14)`

C

`7.7xx10^(-5)`

D

`0.77xx10^(-5)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    MBD PUBLICATION|Exercise QUESTION BANK|299 Videos
  • GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS

    MBD PUBLICATION|Exercise QUESTION BANK|564 Videos

Similar Questions

Explore conceptually related problems

The dissociation constant of NH_4OH is 1.8xx10^(-5) predict the hydrolysis constant of NH_4Cl

What is the value of wien's constant ?

The correct relation for hydrolysis constant of NH_4CN is :

If the dissociation constant of an acid HA is 1 xx 10^(-5) the Ph of a 0.1 M solution of the acid HA will be approximately:

At a certain temperature the dissociation constant of 0.25 M NH_4OH is 1.8 xx 10^-5 calculate its degree of ionisation at the same temperature.

A certain weak acid has a dissociation constant 1.0 xx 10^-4. What is the equilibrium constant for its reaction with a strong base?

The ionisation constant of NH_4^+ in water is 5.6xx10^(-10) at 25^@C the rate constant for the reaction of NH_4^+ and OH^- to form NH_3 and H_2O at 25^@C IS 3.4xx10^10 L mol/sec Find the rate constant for proton transfer from water to NH_3 ?

K_b for the hydrolysis reaction : B^+ +H_2O hArr BOH +H^+ is 1.0xx10^(-6) the hydrolysis constant of the salt is :

MBD PUBLICATION-EQUILIBRIUM-QUESTION BANK
  1. The solubility of Al(OH)3 is 's' mol per litre, the solubility product...

    Text Solution

    |

  2. The equivalent conductance of 0.1 N acetic acid is 5 cm^2 ohm^-1 g eq^...

    Text Solution

    |

  3. The dissociation constant of HCN is 1.3 xx 10^-9. The value of hydroly...

    Text Solution

    |

  4. If the solubility of lithium sodium hexafluro-aluminate, Li3Na3(AlF6)2...

    Text Solution

    |

  5. The solubility of AgCl in water at 10^@C is 6.2 xx 10^-6 mol/litre. Th...

    Text Solution

    |

  6. Ksp of AgCl at 18^@C is 1.8 xx 10^-10. If Ag^+ of solution is 4 xx 10^...

    Text Solution

    |

  7. When equal volumes of the following solutions are mixed, precipitation...

    Text Solution

    |

  8. Solubbility product of PbCl2 at 298 K is 1.0 xx 10^-6. At this temper...

    Text Solution

    |

  9. Solubility product of Ba(OH)2 is 4xx10^-9 its solubbility in water is

    Text Solution

    |

  10. The precipitate of CaF2 (Ks = 1.7 xx 10^-10) is obtained when equal vo...

    Text Solution

    |

  11. The solubility of PbCl2 at 25^oC is 6.3 xx 10^-3 mol/litre. The solubi...

    Text Solution

    |

  12. A saturated solution of Ag2SO4 is 2.5 xx 10^-2 M. The value of its sol...

    Text Solution

    |

  13. The pKa of an indicator is 4. Its working range lies in beetween pH:

    Text Solution

    |

  14. A saturated solution of Mg(OH)2 in water at 25^oC contains 0.11 g Mg(O...

    Text Solution

    |

  15. Which is least soluble in H2O.

    Text Solution

    |

  16. The solubility porduct of CaSO4 is 6.4 xx 10^-5. The solubbility of Ca...

    Text Solution

    |

  17. What is the solubility of Mg(OH)2 in mole per litre if Kp = 1.0 xx 10^...

    Text Solution

    |

  18. If the solubility of Ca(OH)2 is sqrt3, the solubility product of Ca(OH...

    Text Solution

    |

  19. The solubility product, Kf of a sparingly soluble salt MX at 25^oC is ...

    Text Solution

    |

  20. What is the solubilty product of CaF2, if its satuated solution cont...

    Text Solution

    |