Home
Class 12
CHEMISTRY
1.00 g of a non-electrolyte solute (mola...

1.00 g of a non-electrolyte solute (molar mass 250g/mol) was dissolved in 51.2g of benzene. If the freezing point depression constant , `K_f` of benzene is 5.12 K kg/mol, the freezing point of benzene will be lowered by:

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|54 Videos

  • HALOALKANES AND HALOARENES

    PATHFINDER|Exercise QUESTION BANK|222 Videos

Similar Questions

Explore conceptually related problems

2.00 g of non=electrolyte solute dissolved in 100 g of benzene lowered the freezing point of benzene by 0.50K. The freezing point depression constant of benzene is 5.12 K kg mol^(-1) . Find out the relative molar mass of the solute.

1.00 g of a non-electrolyte dissolved in 50.5g of benzene lowered its freezing point by 0.40K. The freezing point depression constant of benzene is "5.12K.kg mol"^(-1) . Find the molecular mass of the solute.

y g of non-volatile solute of molar mass M is dissolved in 250 g benzene. If K_b is molal elevation constant, the value of DeltaT is given by

What is the weight of 1 mole of a solute,0.132g of which in 29.7 g benzene gave a freezing point depression of 0.108^@C ? ( K_f for benzene = 5.12)

The mass of a non-volatile solute of molar mass 40 g mol^(-1) that should be dissolved in 114 g of octane to lower its vapour pressure by 20% , is

The fraction of phenol dimerised in benzene if 20 g of phenol in 1 kg benzene exhibits a freezing point depression of 0.69 K. ( K_f benzene) =5.12 kkg/mol),(MW of phenol=94)

2g of benzoic acid (C_6H_5COOH) dissolved in 25 g of benzene shows a depression in freezing point equal to 1.62 K. Molal depression constant for benzene is 4.9 k kg mol^-1 . What is the percentage association of acid if it forms dimer in solution ?

When 20 g of naphthoic acid (C_11H_8O_2) is dissolved in 50 g of benzene , a freezing point depression of 2K is observed. The vant Hoff factor (i) is [ K_f="1.72 K kg mol"^(-1) ]

34.2 gm Sucrose (Molecular wt 342) is dissolved in 1000 gm of water. Find the freezing-point of the solution kf = 1.86 K Kg mol^-1

A 0.2 molal aqueous solution of weak acid HX is 20% ionized. The freezing point of solution is ( K_f =1.86 )

PATHFINDER-FG-1 (ALCOHOLS, PHENOLS & ETHERS)-QUESTION BANK
  1. Select correct statement(s) for the following reaction:

    Text Solution

    |

  2. Which one of the following electrolytes has the same value of van't Ho...

    Text Solution

    |

  3. 1.00 g of a non-electrolyte solute (molar mass 250g/mol) was dissolved...

    Text Solution

    |

  4. Humans, monkeys and guinea pigs do not have the enzymes necessary for ...

    Text Solution

    |

  5. Vanillin A[C8H8O3] is isolated from vanilla beans. It gives intense bl...

    Text Solution

    |

  6. Vanillin A[C8H8O3] is isolated from vanilla beans. It gives intense bl...

    Text Solution

    |

  7. Match Column -1 with Column-11

    Text Solution

    |

  8. Suppose the elements X and Y combine to form two compounds XY2 and X3Y...

    Text Solution

    |

  9. Match Column -1 with Column-11

    Text Solution

    |

  10. What is the maximum value of x?

    Text Solution

    |

  11. What is the ratio of moles of formic acid obtained in reaction (a) and...

    Text Solution

    |

  12. The degree of unsaturation of the final products is

    Text Solution

    |

  13. A violet coloured complex of Fe(III)in Which number of phenyl group(s)...

    Text Solution

    |

  14. 0.1 mole of a hydroxyl compound reacts with 62.5 g PCl5(mol.wt.208.5) ...

    Text Solution

    |

  15. Identify (X) and (Y) in the following reaction sequence.

    Text Solution

    |

  16. Compound X (Molecular formula, C5H8O) does not react appreciably with ...

    Text Solution

    |

  17. Compound (A) C7H8O is insoluble in NaHCO3 solution but dissolves in so...

    Text Solution

    |

  18. When t-butanol and n-butanol are separately treated with a few drops o...

    Text Solution

    |

  19. An optically active alcohol A(C6H10O) absorbs two mole of hydrogen mol...

    Text Solution

    |

  20. Give reason for the following in one or two sentences. "Acid catalysed...

    Text Solution

    |