Home
Class 12
CHEMISTRY
An X molal solution of a compound in ben...

An X molal solution of a compound in benzene has mol e fraction of solute ` =0.2. ` The value of X is

A

14

B

3.2

C

4

D

2

Text Solution

Verified by Experts

The correct Answer is:
B

`(X)/(X+(1000)/(78))=0.2impliesx=3.2`
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (COLLIGATIVE PROPERTIES)|8 Videos
  • SOLUTIONS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (LOWERING OF VAPOUR PRESSURE)|36 Videos
  • SOLUTIONS

    ERRORLESS|Exercise ASSERTION AND REASON|16 Videos
  • SOLID STATE

    ERRORLESS|Exercise ASSERTION & REASON|11 Videos
  • SURFACE CHEMISTRY

    ERRORLESS|Exercise ASSERTION AND REASON|14 Videos

Similar Questions

Explore conceptually related problems

0.2 molal NaOH solution is prepared in water . Mole fraction of solute is _______.

Mole fraction of a solute in 2.5 molal aqueous solution is

3.2 molal aqueous solution will have mole fraction of solute equal to

The mole fraction of solvent in 0.1 molal aqueous solution is

A molal solution is one that contains 1 mol of a solute in

Molality of an aqueous solution having 0.9 mole fraction of solvent is

ERRORLESS-SOLUTIONS -NCERT BASED QUESTIONS (METHODS OF EXPRESSING CONCENTRATION OF SOLUTION)
  1. A molal solution is one that contains one mole of a solute in

    Text Solution

    |

  2. The mole fraction of the solute in one molal aqueous solution is:

    Text Solution

    |

  3. An X molal solution of a compound in benzene has mol e fraction of sol...

    Text Solution

    |

  4. The degree of hardness of water is usually expressed in terms of

    Text Solution

    |

  5. What will be the molality of solution having 18 g of glucose ...

    Text Solution

    |

  6. The molarity of 90% H(2)SO(4) solution is [density = 1.8 gm/ml]

    Text Solution

    |

  7. Molarity of H(2)SO(4) is 18 M. Its density is 1.8 g//cm^(3),hence mola...

    Text Solution

    |

  8. Calculate the molality of 1 litre solution of 93% H(2)SO(4) ("weight"/...

    Text Solution

    |

  9. The molality of pure water is

    Text Solution

    |

  10. A 3.5 molal aqueous solution of methyl alchol (CH(3)OH) is supplied. W...

    Text Solution

    |

  11. What will be the value of molality for an aqueous solution of 10% w/W ...

    Text Solution

    |

  12. Calculate the molality of a solution that contains 51.2g of naphthalen...

    Text Solution

    |

  13. 4 L of 0.02 M aqueous solution of NaCl was diluted by adding 1 L of wa...

    Text Solution

    |

  14. 25 g of a solute of molar mass 250 g mol^(-1) is dissolved in 100 ml o...

    Text Solution

    |

  15. Which of the following modes of expressing concentration is not indepe...

    Text Solution

    |

  16. A solution of Al(2)(So(4))(3){d=1.253 gm//ml} contain 22% salt by weig...

    Text Solution

    |

  17. The density of 3M solution of NaCl is 1.25 g mL^(-1). The molality of ...

    Text Solution

    |

  18. What will be the molality of the solution containing 18.25 g of HCl ga...

    Text Solution

    |

  19. What does not change on changing temperature

    Text Solution

    |

  20. The weight percent of sucrose (formula weight = 342 g "mol"^(-1) in an...

    Text Solution

    |