Home
Class 11
CHEMISTRY
At -50^@C, the self-ionisation constant ...

At `-50^@C`, the self-ionisation constant (ion product) of `NH_3` is `K_(NH_3)=[(NH_4)^+][(NH_2)]=10^-30 M^2`. How many amide ions are present per `mm^3` of pure liquid ammonia?

A

600 ions/mn cube

B

`6xx10^6` ions/mm cube

C

`6xx10^4` ions/mm cube

D

60 icons/mm cube

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|157 Videos
  • GOC-II & III

    PATHFINDER|Exercise QUESTION BANK|144 Videos

Similar Questions

Explore conceptually related problems

Oxidation state of Cr in [Cr(NH_3)_4Cl_2]^+

How many molecules are there in 1 millimol NH_(3) gas ?

How many ions will be produced by [Pt(NH_(3))_(6)]Cl_(4) ?

Balance the following equations Fe_2(SO_4)_3 + NH_3 + H_2O to Fe(OH)_3 + (NH_4)_2SO_4

The type of isomerism found in the complexes [Co (NO_2) (NH_3)_5]SO_4 and [Co(SO_4) (NH_3)_5]NO_2

For the ion [Cr(NH_(3))_(4)Cl_(2)]^(+) what is the oxidation state or Cr ?

CH_(3)- NH_(2) is more basic than ammonia . Why ?

Which is most basic and why? CH_3NH_2 , (CH_3)_2 NH, (CH_3)_3 N

Balance the chemical equation by ion-electron method : CuO + NH_(3) to Cu + N_(2) + H_(2)O

PATHFINDER-EQUILIBRIUM-QUESTION BANK
  1. Ionisation constant of NH4+in water is 5.6×10^(−10) at 25oC. The rate ...

    Text Solution

    |

  2. The self ionization constant for pure formic acid K=[(HCOOH2)^+][(HCOO...

    Text Solution

    |

  3. At -50^@C, the self-ionisation constant (ion product) of NH3 is K(NH3)...

    Text Solution

    |

  4. The degree of dissociation of water at 25^@C is 1.9xx10^-7% and densit...

    Text Solution

    |

  5. Nicotinic acid (Ka=1.4xx10^-5) is represented by the formula HNIC. Cal...

    Text Solution

    |

  6. The pH of 10^-3 MH2SO4 will be

    Text Solution

    |

  7. Given that the dissociation constant for H2O , Kw=1xx10^-14 mol^2 by ...

    Text Solution

    |

  8. Which of the following solution will have pH value close to 1.0 ?

    Text Solution

    |

  9. The pH of an aqueous solution of a 0.1 M solution of weak monoprotic a...

    Text Solution

    |

  10. H2O+H3PO4iffH(H3O)^++H2(PO4)^-, pK1=2.15 H2O+H2PO4^-iffH(H3O)^++H(PO4)...

    Text Solution

    |

  11. An acid solution of pH=6 is diluted thousand times. The pH of solution...

    Text Solution

    |

  12. A solution of contains 0.1 M H2S and 0.3 M HCl, Calculate the conc. Of...

    Text Solution

    |

  13. To what volume must one litre of 1MCH3COOH solution be diluted so that...

    Text Solution

    |

  14. An aqueous solution contains 10 % ammonia by mass and has density of 0...

    Text Solution

    |

  15. A solution of HCl is diluted so that its pH changes by 0.3. How much c...

    Text Solution

    |

  16. 1 ml of 0.1 M HCl is added into 99 ml of water. Assume volumes are add...

    Text Solution

    |

  17. 20 mL of 0.2 M sodium hydroxide is added to 50 mL of 0.2 M acetic acid...

    Text Solution

    |

  18. A weak acid HX has the dissociation constant 1xx10^-5M. It forms a sal...

    Text Solution

    |

  19. The pH of 0.02 M solution of ammonium chloride at 25^@C is [kb(NH3)=1....

    Text Solution

    |

  20. Which one is more acidic in aqueous solutions?

    Text Solution

    |