Home
Class 12
CHEMISTRY
A solution prepared by dissolving 0.8gm ...

A solution prepared by dissolving 0.8gm of naphthalene in 100g of `C Cl_4` has a boiling point elevation of `0.4^@C`. A 1.24 g of an un known solute in same amount of `C Cl_4` produced boiling point elevation of `0.62^@C`, then molar mass of un-known solute is

A

25g

B

50g

C

75g

D

128g

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    AAKASH SERIES|Exercise Objective Exercise -3 (PREVIOUS NEEET/AIPMT )|24 Videos
  • SOLUTIONS

    AAKASH SERIES|Exercise Objective Exercise -4|50 Videos
  • SOLUTIONS

    AAKASH SERIES|Exercise Objective Exercise -1|115 Videos
  • SOLIDS STATE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|63 Videos
  • STATES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE -PRACTICE SHEET (ADVANCED) (LINKED COMPREHENSION TYPE QUESTIONS) (PASSAGE- IV)|2 Videos

Similar Questions

Explore conceptually related problems

The solution containing 6.8g of non-ionic solute in 100g of water was found to freeze at - 0.93^@C . If K_f for water is 1.86, the molar Mass of solute is

For a dilute solution containing 2.5 g of non-electroyte solute in 100g of water , the elevation in boiling point at 1 atm pressure is 2^(@)C . Assuming concentration of solute is much lower than the concentration of solvent, the vapour pressure (mm of Hg) of the solution is (take K_(b)=0.76 "mol"^(-1))

The elevation in boiling point of a solution containing 0.20g of solute in 20g of ether is 0.17^@C , K_b for ether is 2.16 K kg/mol. Calculate the molar mass of solute.

What is K_b , if 0.5 g of solute ( molar mass 100g/mol) in 25g of solvent showed an elevation of 1^@ C in B.P.

9.5g of MgCl_(2) is dissolved in 100 g of water . The freezing point of the solution is -4.836^(@)C Then .

A solution is prepared by mixing 100 ml of 0.1 M NH_(4) OH and 200 ml of 0.2 M NH_(4) Cl . pK_(b) of NH_(4) OH is 4.8 . Then the pH of the solution is

AAKASH SERIES-SOLUTIONS -Objective Exercise -2
  1. Ebullioscopy is concerned with:

    Text Solution

    |

  2. An aqueous solution containing one gram of urea boils at 100.25^@C. Th...

    Text Solution

    |

  3. A solution prepared by dissolving 0.8gm of naphthalene in 100g of C Cl...

    Text Solution

    |

  4. A solution containing 3.3g of a substance in 125g of benzene (b.pt. = ...

    Text Solution

    |

  5. An aqueous solution freezes at - 0.372^@C. If Kf and Kb for water are ...

    Text Solution

    |

  6. Which of the following aqueous solutions should have the highest boili...

    Text Solution

    |

  7. The depression in freezing point of 0.01 m aqueous solution of urea, s...

    Text Solution

    |

  8. Molal depression constant is given by the expression:

    Text Solution

    |

  9. To 500 "cm"^3 of water. 3.0 xx 10^(-3) kg of acetic acid is added. If ...

    Text Solution

    |

  10. 'x' gm of solute (M. mass = 342) should be dissolved in 500gm of water...

    Text Solution

    |

  11. The amount of ice that will separate out on cooling the solution conta...

    Text Solution

    |

  12. A Solution of a non-volatile solute in water freezes at -0.30^@C. The ...

    Text Solution

    |

  13. The molal freezing point constant for water is 1.86 K.kg "mole"^(-1). ...

    Text Solution

    |

  14. The solution containing 6.8g of non-ionic solute in 100g of water was ...

    Text Solution

    |

  15. Which of the following aqueous solution has highest freezing point ?

    Text Solution

    |

  16. Molal depression constant for water is 1.86 K.Kg."mole"^(-1). The free...

    Text Solution

    |

  17. If the osmatic pressure of human blood is 7.53 atm at 37^@C. Calculate...

    Text Solution

    |

  18. Two solutions of glucose have osmotic pressures 1.5 and 2.5 atm. IL of...

    Text Solution

    |

  19. A 5.25% solutions of a substance is isotonic with 1.5% solution of ure...

    Text Solution

    |

  20. 0.004M Na(2)SO(4) is isotonic with 0.01M glucose. Degree of dissociati...

    Text Solution

    |