Home
Class 12
CHEMISTRY
Boiling point of water at 750 mm Hg is 9...

Boiling point of water at 750 mm Hg is 96.63 degree celsius. How many sucrose is to be added to 500 g of water such that it boils at 100 degree celsius ? Molal elevation constant for water is
0.52 kg `mol^-1` .

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

18 g of glucose is dissolved in 1 kg of water. At what temperature will the solution boil ? ( K_b for water is 0.52 K kg "mol"^(-1) )

A solution containing 0.45 g of a urea in 22.5 g of water gave a boiling point elevation of 0.17 K. Calculate the molal elevation constant of water. Molar mass of urea is 60 g "mol"^(-1) .

How many grams of ethylene glycol (molar mass = 62) should be added to 10 kg of water, so that the resulting solution freezes at -10^(@)C ( K_(f) for water = 1.86 K "mol^(-1) ).

When 0.6 g of urea is dissolved in 100 g water, the water will boil at (Kb, for water = 0.52 K/m and normal boiling point of water = 100^@C ):

JMD PUBLICATION-SAMPLE QUESTION-EXAMPLE
  1. Amines have greater boiling point than alcohols

    Text Solution

    |

  2. Sodium chloride solution freezes at lower temparature than water but b...

    Text Solution

    |

  3. Boiling point of water at 750 mm Hg is 96.63 degree celsius. How many ...

    Text Solution

    |

  4. The vapour pressure of pure liquids A and B are 450 and 700 mm Hg at 3...

    Text Solution

    |

  5. Explain the variation of conductivity of a metallic conductor with tem...

    Text Solution

    |

  6. Calculate the half-life of a first order reaction from its rate consta...

    Text Solution

    |

  7. If the reaction between A and B to give C shows first order kinetics i...

    Text Solution

    |

  8. A reaction is first order in A and second order in B How is the rate...

    Text Solution

    |

  9. Why do noble gases have large atomic size

    Text Solution

    |

  10. Which form of sulphur shows paramagnetic behaviour and why ?

    Text Solution

    |

  11. Compare and explain bond angles of H2O and H2S

    Text Solution

    |

  12. Transition metals form number of interstitial compounds. Explain.

    Text Solution

    |

  13. Why are Min^(2+) compounds more stable than Fe^(2+) towards oxidation ...

    Text Solution

    |

  14. What is meant by unidentate, didentate and ambidentate ligands ? Give ...

    Text Solution

    |

  15. [Fe(CN)6)]^(4-) and [Fe(H2O)6)]^(2+) are of different colours in di...

    Text Solution

    |

  16. Explain the factors affecting rate of a reaction.

    Text Solution

    |

  17. Calculate the potential of hydrogen electrode income with a solution w...

    Text Solution

    |

  18. Compare and explain the reactivity of different alcohols towards sodiu...

    Text Solution

    |

  19. Why is phenol stronger acid than the alcohols ? Explain in detail.

    Text Solution

    |

  20. Show that the time required for 99% completion of a first order reacti...

    Text Solution

    |