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- 1. Multiple Choice
Which substance has the weakest intermolecular forces?
Substance A, boiling point of 75 °C
Substance B, boiling point of 105 °C
Substance C, boiling point of 25 °C
Substance d, boiling point of 45 °C
- 2. Multiple Choice
The weaker the intermolecular forces of a substance the _____________ the boiling point
higher
lower
- 3. Multiple Choice
________________________ have the strongest intermolecular forces of attraction.
Dipole- Dipole
Dispersion
Hydrogen Bonds
- 4. Multiple ChoiceHydrogen bonding occurs when hydrogen is bonded to N, O, or F. Which of the following has hydrogen bonding?CBr4NO2H2SNH3
- 5. Multiple ChoiceWhat explains the very high melting and boiling point of waterStrong dipole-dipole bonds between water moleculesStrong hydrogen bonds between water moleculesDispersion forces which are present in all moleculesAsymmetrical shape of the polar bonds.
- 6. Multiple ChoiceDoes H2S have hydrogen bonding?yesno
- 7. Multiple ChoiceDoes HF have hydrogen bonding?yesno
- 8. Multiple ChoiceLondon forces are stronger in heavier atoms or molecules, and weaker in lighter atoms or molecules. Which of these has the strongest London forces?F2Br2I2Cl2
- 9. Multiple ChoiceRank these in order of strength:
covalent bond
London forces
hydrogen bond
dipole-dipole attractiondipole-dipole>covalent bond>hydrogen bond>LondonLondon>dipole-diple>hydrogen bond>covalent bondcovalent bond>hydrogen bond>dipole-dipole>Londonhydrogen bond>dipole-dipole>London>covalent bond - 10. Multiple ChoiceAll molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces. Which of these has ONLY London forces?I2NH3OCl2SH2
- 11. Multiple ChoiceIonic Bonding involves...The transfer of protonsThe transfer of nuetronsThe transfer of electronsNone Of the above
- 12. Multiple Choice
What forces will the following molecule have?dispersiondipolehydrogen bonding - 13. Multiple ChoiceThe force of attraction between nonpolar molecules:Hydrogen BondingDipole - Dipole ForcesLDFIonic Forces
- 14. Multiple ChoiceThe strength of temporary dipoles:increases with the size of moleculesis greater than intremolecular forcesis the strongest intermolecular force
- 15. Multiple Choice
Which type of IMF is responsible for the attraction pictured above?
Dipole-Dipole Interaction
Ion-Dipole Interaction
Hydrogen Bonds
Covalent Bond
Ionic Bond
- 16. Multiple Choice
Which type of IMF is responsible for the attraction pictured above?
Dipole-Dipole Interaction
Ion-Dipole Interaction
Hydrogen Bonds
Covalent Bond
Ionic Bond
- 17. Multiple Choice
Intermolecular forces are attractions between ______.
Cations and anions
Atoms within a molecule
Neighboring molecules
Protons and electrons
- 18. Multiple ChoiceWhat is the predominant IMF in the molecule NOF?LDFsDipole dipoleHydrogen bondingPolar
- 19. Multiple ChoiceWhich IMF is the predominant IMF for non-polar molecules?London Dispersion ForcesDipole DipoleHydrogen BondingBoth Dipole Dipole and Hydrogen Bonding
- 20. Multiple ChoiceWhat is the predominant IMF for NH3?London dispersion forcesDipole dipoleHydrogen bondingWhat is an IMFA?
- 21. Multiple Choice
Which weak intermolecular force is based on the temporary clustering of electrons inside of molecules?
London dispersion forces
dipole-dipole forces
hydrogen bonding
gravitational forces
- 22. Multiple Choice
Which intermolecular force is most notable in noble gases, and non-polar molecules?
London dispersion forces
dipole-dipole forces
hydrogen bonding
gravitational forces
- 23. Multiple Choice
The attractive forces between polar molecules, such as hydrogen bromide, are called ___
London dispersion forces
dipole-dipole forces
bromide bonds
Holmes and Watson forces
- 24. Multiple Choice
A type of dipole-dipole force that occurs in highly polar molecules that contain hydrogen is called ___
super-strong bonding
hydrogen bonding
tripole-tripole bonding
the strong nuclear force
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