Home
Class 11
CHEMISTRY
10g of NH(4)CI (mol.wt. 53.5) when disso...

10g of `NH_(4)CI (mol.wt. 53.5)` when dissolved in 1000g water lowered the freezing point by `0.637^(@)C`. Calculate the degree of hydrolysis of the salt if its degree of dissociation is `0.75` . The molal depression constant of water is `1.86 K molality^(-1)`.

Text Solution

Verified by Experts

The correct Answer is:
`0.106;`
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    P BAHADUR|Exercise Exercise7|33 Videos

  • GASEOUS STATE

    P BAHADUR|Exercise Exercise -9|1 Videos

  • MOLE AND EQUIVALENT CONCEPT

    P BAHADUR|Exercise Exercise 9 Advanced numerical problems|61 Videos

Similar Questions

Explore conceptually related problems

By dissolving 13.6 g of a substance in 20 g of water, the freezing point decreased by 3.7^(@)C . Calculate the molecular mass of the substance. (Molal depression constant for water = 1.863K kg mol^(-1))

What will be the freezing point of a 0.5 m KCl solution ? The molal freezing point constant of water is 1.86^@C m^(-1) .

5 g of a substance when dissolved in 50 g water lowers the freeezing by 1.2^(@)C . Calculate molecular wt. of the substance if molal depression constant of water is 1.86^(@)C K kg mole^(-1) .

The freezing point of an aqueous solutions is 272 .93 K . Calculate the molality of the solution if molal depression constant for water is 1.86 Kg mol^(-1)

6 g of a substance is dissolved in 100 g of water depresses the freezing point by 0.93^(@)C . The molecular mass of the substance will be: ( K_(f) for water = 1.86^(@)C /molal)

P BAHADUR-IONIC EQUILIBRIUM-Exercise
  1. 2M solution of Na(2)CO(3) is boiled in a closed container with excess ...

    Text Solution

    |

  2. 100.0mL of a saturated solution of Ag(2)SO(4) is added to 250.0mL of s...

    Text Solution

    |

  3. 25.0 mL clear saturated solution of PbI(2(aq.)) requires 13.3mL of Ag...

    Text Solution

    |

  4. K(sp) of SrF(2) = 2.8 xx 10^(-9) at 25^(@)C. How much NaF should be ad...

    Text Solution

    |

  5. H(2)S is bubbled into a 0.2M NaCN solution which is 0.02M each in Ag(C...

    Text Solution

    |

  6. What are the concentration of Ag^(+), [Ag(NH(3))]^(+) and [Ag(NH(3))(2...

    Text Solution

    |

  7. 338 mL clear saturated solution of AgBrO(3) requires just 30.4mL of H(...

    Text Solution

    |

  8. 0.10 moole of AgCI((s)) is added to 1 litre of H(2)O. Next crystal of ...

    Text Solution

    |

  9. Calculate the pH of the following mixtures given (pK(a) = pK(b) = 4.74...

    Text Solution

    |

  10. A solution containing 0.2 mole of dicholoracetice acid (K(a)=5xx10^(-2...

    Text Solution

    |

  11. 10g of NH(4)CI (mol.wt. 53.5) when dissolved in 1000g water lowered th...

    Text Solution

    |

  12. At 18^(@)C aniline and acetic acid have dissociation constants 5xx10^(...

    Text Solution

    |

  13. Calculate the extent of hydrolysis of 0.005M K(2)CrO(4) K(2)=3.1xx10^(...

    Text Solution

    |

  14. A solution was made up by 0.01M Co(NO(3))(2) and .02 M N(2)H(4) and wa...

    Text Solution

    |

  15. The vapour pressur of 0.01molal solution of weak base BOH in water at ...

    Text Solution

    |

  16. A 0.01M aqueous solution of weak acid HA has an osotic pressure 0.293a...

    Text Solution

    |

  17. The freezing point of 3.75xx10^(-2)M aqueous solution of weak acid HA ...

    Text Solution

    |

  18. Calculate the pH at which an acid indicator with K(a)=1xx10^(-5) chang...

    Text Solution

    |

  19. A solution of HCI has pH = 5. If 1mL of it is diluted to 1L what will ...

    Text Solution

    |

  20. Calculate the pH of 0.010M NaHCO(3) solution. K(1)=4.5xx10^(-7) , K(...

    Text Solution

    |