Home
Class 12
CHEMISTRY
How much C2H5OH must be added to 1.0 L o...

How much `C_2H_5OH` must be added to 1.0 L of `H_2O` so that solution should not freeze at -`4^@F`?
`[K_f(C_2H_5OH) = 1.86^@C//m]`

A

lt 10.75 g

B

gt 494.5 g

C

lt 20 g

D

494.5 g

Text Solution

Verified by Experts

The correct Answer is:
B
> 494.5 g
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    MTG GUIDE|Exercise AIPMT/NEET MCQs|23 Videos

  • SOLUTIONS

    MTG GUIDE|Exercise NEET CAFE (TOPICWISE PRACTICE QUESTIONS)|160 Videos

  • SOLID STATE

    MTG GUIDE|Exercise AIPMT/NEET MCQS |17 Videos

  • SURFACE CHEMISTRY

    MTG GUIDE|Exercise AIMPT/NEET MCQS|11 Videos

Similar Questions

Explore conceptually related problems

How much C_(2)H_(5)OH must be added to 1.0"L of "H_(2)O , so that solution should not freeze at -4^(@)F ? [K_(f)(C_(2)H_(5)OH)=1.86^(@)C//m]

How much C_(2)H_(5)OH should be added to 1 litre H_(2)O so that it will not freeze at -20^(@)C ? K_(f) =1.86^(@)C//m .

How much ethyl alcohol must be added to 1 litre of water so that the solution will freeze at - 14^@C ? (Kf for water = 1.86^@C /mol)

C_2H_5OH is produced when

What is the molality of C_2H_5 OH in water solution which will freeze at -10^@C ?

What mass of sugar C_(12)H_(22)O_(11)(M_(0)=342) must be dissolved in 4.0 kg of H_(2)O to yield a solution that will freeze at -3.72^(@)C . (Take K_(f)=1.86^(@)C m^(-1) )

MTG GUIDE-SOLUTIONS -CHECK YOUR NEET VITALS
  1. If a substance exists as trimer in the solution, then which of the fol...

    Text Solution

    |

  2. For a dilute solution containing 2.5 g of a non-volatile, non-electrol...

    Text Solution

    |

  3. 1.00 g of a non-electrolyte solute (" molar mass " 250 g mol^(-1)) was...

    Text Solution

    |

  4. The use of common salts, e.g., NaCl or CaCl2 anhydrous, is made to cle...

    Text Solution

    |

  5. What will be the osmotic pressure (atm) of 20%(w/V) anhydrous Ca(NO3)2...

    Text Solution

    |

  6. For 1% solutions of KCI (I), NaCl (II), BaCl2 (III) and urea (IV), osm...

    Text Solution

    |

  7. A solution of A and B with 30% moles of A in solution is in equilibriu...

    Text Solution

    |

  8. When 1.9 g of a substance is dissolved in 128 g water, freezing point ...

    Text Solution

    |

  9. The vapour pressure of benzene at 25^@C is 63.7 mm of Hg and the vapou...

    Text Solution

    |

  10. At 27^@C 1.25 L of a solution containing 7.6 g KBr shows an osmotic p...

    Text Solution

    |

  11. In case of osmosis, solvent molecules move from

    Text Solution

    |

  12. 1,00 g of a non-electrolyte solute (molar mass 250 g mol^(-1) ) was di...

    Text Solution

    |

  13. Consider the following solutions : I. M sucrose II. IMKCI III. 1...

    Text Solution

    |

  14. Which of the following solutions has minimum freezing point?

    Text Solution

    |

  15. How much C2H5OH must be added to 1.0 L of H2O so that solution should ...

    Text Solution

    |

  16. Benzoic acid undergoes dimerisation in benzene solution. The van't Hof...

    Text Solution

    |

  17. For a solution of a non-electrolyte in water, the van't Hoff factor is

    Text Solution

    |

  18. Two liquids A and B form an ideal solution at 300 K, the vapour pressu...

    Text Solution

    |

  19. Relative decrease in vapour pressure of an aqueous glucose dilute solu...

    Text Solution

    |

  20. Solutions showing negative deviations from Raoult's law

    Text Solution

    |