Home
Class 12
CHEMISTRY
0.6gof a solute is dissolved in 0.1litre...

`0.6g`of a solute is dissolved in `0.1`litre of a solvent which develops an osmotic pressure of 1.23 at m at `27^(@)C`.The molecular mass of the substance is

A

`149.5 "g mol"^(-1)`

B

`120 "g mol"^(-1)`

C

`430 "g mol"^(-1)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`m=(wRT)/(PV)=(0.6xx0.082xx300)/(1.23xx0.1)=120`
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    A2Z|Exercise AIIMS Questions|32 Videos

  • SOLID STATE

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • SURFACE CHEMISTRY

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

If solution containing 0.15 g of solute dissolved in 15 g of solvent boils at a temperature higher by 0.216^(@)C than that of pure solvent, the molecular mass of the substance is (K_(b)=2.16^(@)C)

What amount of CaCl_2 (i=2.47) is dissolved in 2 litres of water so that its osmotic pressure is 0.5 atm at 27^@ C ?

A solution containing 4.0 g of PVcC in 2 liter of dioxane (industrial solvent ) was found to have an osmotic pressure 3.0 x 10^(-4) atm at 27^(@)C . The molar mass of the polymer (g/mol) will be :

12g of a nonvolatile solute dissolved in 108g of water produces the relative lowering of vapour pressure of 0.1 . The molecular mass of the solute is

A2Z-SOLUTIONS-Section D - Chapter End Test
  1. The osmotic pressure at 17^(@)C of aqueous solution containing 1.75g o...

    Text Solution

    |

  2. 1.2of solution of NaClis isotonic with 7.2 of solution of glucose .Cal...

    Text Solution

    |

  3. 0.6gof a solute is dissolved in 0.1litre of a solvent which develops a...

    Text Solution

    |

  4. The boiling point of a solution of 0.1050g of a substance in 15.84g of...

    Text Solution

    |

  5. Boiling point fo chloroform was raised by 0.323K,when0.5143g of anthra...

    Text Solution

    |

  6. The boiling point fo water (100^(@)C become 100.52^(@)C, if 3 grams of...

    Text Solution

    |

  7. Normal boiling point of water is 373 K. Vapour pressure of water at 29...

    Text Solution

    |

  8. A0.2 molal aqueous solution of a week acid (HX) is 20 % ionised,The fr...

    Text Solution

    |

  9. A 0.001 molal solution of [Pt(NH(3))(4)Cl(4)] in water had freezing p...

    Text Solution

    |

  10. An aqueous solution of a weak monobasic acid containing 0.1gin 21.7g o...

    Text Solution

    |

  11. K(f) of 1,4-"dioxane is" 4.9mol^(-1) for 1000g.The depression in freez...

    Text Solution

    |

  12. How many litres ofCO(2)atSTP will be formed when 100mlof 0.1MH(2)SO(4)...

    Text Solution

    |

  13. A solution is obtained by dissolving 12gof urea(mol.wt.60)in a litre o...

    Text Solution

    |

  14. The vapour pressures of ethanol and methanol are 42.0mmand88.0mmHgresp...

    Text Solution

    |

  15. Which of the following plots represent the behaviour of an ideal binar...

    Text Solution

    |

  16. For a binary ideal lqiuid solutions,the total pressure of the solution...

    Text Solution

    |

  17. The relationship between the values of osmotic pressures of0.1Msolutio...

    Text Solution

    |

  18. The vapour pressure of solvent is 20 torr, while that of its dilute so...

    Text Solution

    |

  19. NaCl is added to1 litre water to such an extent that DeltaT(f)//K(f) b...

    Text Solution

    |

  20. If the total vapour presure of the liquid mixtureAandBis given by the ...

    Text Solution

    |