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to answer questions 14-17. :F : H H Si H FC :F : H. H H H A В 14. Which molecule(s) is/are polar? A) A В) В С) С D) B and C E) A and C 15. What is the strongest type of intermolecular force present in B? A) Ion-dipole B) London dispersion C) Hydrogen bonding D) Dipole-dipole E) None of the above

to answer questions 14-17. :F : H H Si H FC :F : H. H H H A В 14. Which molecule(s) is/are polar? A) A В) В С) С D) B and C E) A and C 15. What is the strongest type of intermolecular force present in B? A) Ion-dipole B) London dispersion C) Hydrogen bonding D) Dipole-dipole E) None of the above

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter14: Liquids And Solids
Section: Chapter Questions
Problem 16ALQ: True or false? Methane (CH4) is more likely In form stronger hydrogen bonding than is water because...
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Use these molecules to answer questions 14-17. :F : H. H. :O: Si-F : : H -C-C -0: H-C-C - :F : H. H. H. A В 14. Which molecule(s) is/are polar? A) A В) В C) С D) B and C E) A and C 15. What is the strongest type of intermolecular force present in B? A) Ion-dipole B) London dispersion C) Hydrogen bonding D) Dipole-dipole E) None of the above
Transcribed Image Text:Use these molecules to answer questions 14-17. :F : H. H. :O: Si-F : : H -C-C -0: H-C-C - :F : H. H. H. A В 14. Which molecule(s) is/are polar? A) A В) В C) С D) B and C E) A and C 15. What is the strongest type of intermolecular force present in B? A) Ion-dipole B) London dispersion C) Hydrogen bonding D) Dipole-dipole E) None of the above
Expert Solution
Introduction.
  • The polarity of a molecule is dependent on the electronegativity difference of atoms and geometry of molecule. 

 

  • In SF4 , the S-F bond is polar but the geometry of molecule is tetrahedral and thus the resultant dipole moment is zero, So, SF4 is non polar. 

 

  • The O-H bond is alcohols is a polar bond which ,makes the alcohol molecule polar. 

 

  • Ester molecules are polar due to electronegativity difference between C and O. 
Part 14

Polar molecules among the given molecules are: Ethanol and Methyl ethanoate. 

Hence, the correct option is: 

D) B and C

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