Home
Class 12
CHEMISTRY
A 2 molal solution of sodium chloride in...

A 2 molal solution of sodium chloride in water causes an elevation in the boiling point of water by `1*88 K`. What is the value of van't Hoff factor? What does it signify ? `[K_b = 0*52 " K kg " mol^(-1)]`

Text Solution

AI Generated Solution

To solve the problem, we will use the formula for the elevation in boiling point: \[ \Delta T_b = K_b \cdot m \cdot i \] Where: - \(\Delta T_b\) is the elevation in boiling point. ...
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2014

    ICSE|Exercise PART-II (SECTION -B)|15 Videos

  • SAMPLE PAPER 2014

    ICSE|Exercise PART-II (SECTION -C)|21 Videos

  • SAMPLE PAPER 2014

    ICSE|Exercise PART-II (SECTION -C)|21 Videos

  • SAMPLE PAPER 2013

    ICSE|Exercise PART-II (SECTION-C)|17 Videos

  • SAMPLE PAPER 2015

    ICSE|Exercise PART-II SECTION-C QUESTION 10. |7 Videos

Similar Questions

Explore conceptually related problems

One molal solution of a carboxylic acid in benzene shows the elevation of boiling point of 1.518 K. The degree of association for simerization of the acid in benzene is ( K_(b) for beznene = 2.53 K kg mol^(-1) ): (a)0.6 (b)0.7 (c)0.75 (d)0.8

A solution of urea in water has a boiling point of 100*18^@C . Calculate the freezing point of the solution.(K for water is 1*86 " K kg " mol^(-1) and K_b " for water is " 0*512 " K kg " mol^(-l) ).

What is the expected value of van't Hoff factor for K_(3)[Fe(CN)_(6)] in dilute solution?

A 1.00 molal aqueous solution of trichloroacetic acid (CCl_(3)COOH) is heated to its boiling point. The solution has the boiling point of 100.18^(@)C . Determine the van't Hoff factor for trichloroacetic acid. ( K_(b) for water =0.512K kg "mol"^(-1) )

Figure explains elevation in boiling point when a non-volatile solute is added to a solvent. Variation of vapour pressure with temperaure and elevation in boiling point is marked. Elevation in b.p of an aqueous urea solution is 0.52^(@) (K_(b) = 0.52^(@) mol^(-1)kg) . Hence, mole fraction of urea in this solution is:

A solution of glycerol (C_(3)H_(8)O_(3)) in water was prepared by dissolving some glycerol in 500 g of water . This solution has a boiling point of 100.42 ^(@)C . what mass of glycerol was dissolved to make this solution ? ( K_(b) for water = 0.512 K kg mol^(-1) )

K_(2)HgI_(4) is 55% ionized in aqueous solution. The value of Van't Hoff factor is

The freezing point of a solution containing 0*3 gms of acetic acid in 30 gms of benzene is lowered by 0*45 K . Calculate the van't Hoff factor. (At. wt. of C = 12, H = 1, 0 = 16, K_f " for benzene " = 5.12 " K kg mole"^(-1) ).

The values of van't Hoff factors for KCl, NaCl and K_2SO_4 , respectively , are ___

The elevation in boiling point of a solution of 9.43 g of MgCl_2 in 1 kg of water is ( K_b = 0.52 K kg mol^(-1) , Molar mass of MgCl_2 = 94.3 g mol^(-1) )

ICSE-SAMPLE PAPER 2014-PART-II (SECTION -A)
  1. What will be the vapour pressure of a solution containing 5 moles of s...

    Text Solution

    |

  2. A 2 molal solution of sodium chloride in water causes an elevation in ...

    Text Solution

    |

  3. Write the mathematical expression relating the variation of rate const...

    Text Solution

    |

  4. How can you graphically find the activation energy of the reaction fro...

    Text Solution

    |

  5. The slope of the line in the graph of log k (k = rate constant) versus...

    Text Solution

    |

  6. Define Frenkel defect in solid crystal.

    Text Solution

    |

  7. Explain giving reasons why ionic solids conduct electricity in molten ...

    Text Solution

    |

  8. Explain giving reasons why : Solution of sodium chloride has no effec...

    Text Solution

    |

  9. For a crystal of diamond, state : The number of carbon atoms present...

    Text Solution

    |

  10. For a crystal of diamond, state : The type of lattice in which it cr...

    Text Solution

    |

  11. In a crystal of diamond : How many carbon atoms surround each carbon...

    Text Solution

    |

  12. In a crystal of diamond : How many carbon atoms surround each carbon...

    Text Solution

    |

  13. What is standard hydrogen electrode ? Give the reaction that occurs a...

    Text Solution

    |

  14. 0.05 "M" NaOH solution offered a resistance of 31.6 ohm in a conductiv...

    Text Solution

    |

  15. Kc for the reaction SO2(g) + 1/2 O(2(g)) to SO(3(g)) " is " 61*7 " at ...

    Text Solution

    |

  16. What happens to the equilibrium in a reversi ble reaction if a catalys...

    Text Solution

    |

  17. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

    Text Solution

    |

  18. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

    Text Solution

    |

  19. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

    Text Solution

    |

  20. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

    Text Solution

    |