Home
Class 11
CHEMISTRY
The boiling points of methanol, water an...

The boiling points of methanol, water and dimethyl ether are respectively `65^@ C, 100^@ C` and `34.5^@ C`. Which of the following best explains these wide variations in b.p. ?

A

The molecular mass increases from water (18)
to methanol (32) to diethl ether (74)

B

The extent of H-bonding decreases from water
to methanol while it is absent in ether

C

The extent of intramolecular hydrogen bonding
H-bonding decreases from ether methanol to water

D

The number of H atoms per molecule increases
form water to methanol to ether

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • NATURE OF CHEMICAL BOND

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|50 Videos
  • BASIC PRINCIPLES AND TECHNIQUES IN ORGANIC CHEMISTRY

    MARVEL PUBLICATION|Exercise Test your grasp|40 Videos
  • REDOX REACTIONS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|21 Videos

Similar Questions

Explore conceptually related problems

The boiling order of boiling points of diethyl ether, acetone and n-butyl alcohol are 35^(@)C, 56^(@)C and 118^(@)C , respectively. Which one is the following correctly represents their boiling points in kelvin scale ?

Water will boil at 101.5^(@)C at which of the following pressure:

The boiling point of water, ethyl alcohol and diethyl ether are 100^(@)C, 78.5^(@)C respectively. The intermolecular forces will be in the order of:

Why is boiling point of n-butyl alcohol (118^(@)C) higher than that of dethyl ether (35^(@)C) ?

The boiling points of C_(6)H_(6),CH_(3)OH,C_(6)H_(5)NH_(2) and C_(6)H_(5)NO_(2) are 80^@C,65^@C,184^@C, and 212^@C respectively. Which of the following will have highest vapour pressure at room temperature ?

The boiling point of Kr and Rn are -152°C and -62°C respectively. Find the approximate boiling point o fXe.

In the following table of inverse variation, what are the values of A, B and C respectively ?

MARVEL PUBLICATION-NATURE OF CHEMICAL BOND -TEST YOUR GRASP
  1. The boiling points of methanol, water and dimethyl ether are respectiv...

    Text Solution

    |

  2. Which of the following does not follow the octet rule ? .

    Text Solution

    |

  3. The stability of ionic crystal depends principally on

    Text Solution

    |

  4. Which of the following statements about LiC and NaCl is wrong?

    Text Solution

    |

  5. Which of the following bonds is the strongest ? .

    Text Solution

    |

  6. Which of the following is the correct electron-dot structure of N2O mo...

    Text Solution

    |

  7. Which of the following molecule has highest dipole moment?

    Text Solution

    |

  8. Which of the following molecule has highest dipole moment?

    Text Solution

    |

  9. The correct order of decreasing polarity is

    Text Solution

    |

  10. In an ionic compound A^(+) X^(-) the degree of covalent bonding is gre...

    Text Solution

    |

  11. According to Fazan rule, the covalent bond is favoured by :

    Text Solution

    |

  12. Out of CHCl(3), CH(4) and SF(4) the molecules do not having regular ge...

    Text Solution

    |

  13. Which out of the following structures is expected to have three bond p...

    Text Solution

    |

  14. A molecule XY(2) contains two sigma bonds two pi bond and one lone pai...

    Text Solution

    |

  15. N atom in NH(4)^(+) involves the hybridizations

    Text Solution

    |

  16. A hybrid orbital formed from s and p-orbital can contribute to

    Text Solution

    |

  17. The state of hybridization of the central atom is not the same as in t...

    Text Solution

    |

  18. The d-orbitals involved in dsp^2 hybridisation is

    Text Solution

    |

  19. Which of the following molecules in planar ?

    Text Solution

    |

  20. The number of sp^2-s sigma bonds in benzene are

    Text Solution

    |

  21. The bond angle in H2O is nearly 105^@ whereas bond angle in H2 S is ne...

    Text Solution

    |