Intermolecular Forces Quiz

intermolecular forces quiz

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Intermolecular Forces Quiz

 

 

Intermolecular Forces Answers

 

1. Which of these is not an intermolecular force?

  • covalent bonding
  • London dispersion forces
  • hydrogen bonding
  • dipole-dipole forces

2. What type of IMF is present in all substances, regardless of polarity?

  • London dispersion forces
  • dipole-dipole forces
  • hydrogen bonding
  • ion-dipole forces

3. Intermolecular forces are the forces

  • between molecules
  • within molecules

4. Which is the strongest intermolecular force below”

  • Hydrogen bonding
  • dipole-dipole
  • Dispersion
  • Ionic

5. Type of intermolecular force present in HF.

  • H-bond
  • dipole dipole
  • dispersion
  • ionic

6. Intermolecular force present in CHF3

  • dipole dipole
  • ionic
  • dispersion
  • H bond

7. Which of the following has the highest boiling point?

  • NH3
  • O2
  • N2
  • H2

8. Is the intermolecular force present in Cl2?

  • dispersion
  • dipole dipole
  • H-bond
  • metallic

9. What intermolecular force present in a sample of pure HCl?

  • dipole-dipole attraction
  • London dispersion forces
  • H-bonds
  • molecule-ion attraction

10. What intermolecular force is present in a sample of pure Cl2?

  • London dispersion forces
  • dipole-dipole attraction
  • H-bonds
  • molecule-ion attraction

11. Intermolecular forces are the forces that exist

  • between molecules
  • within molecules

12. Which of these is not an intermolecular force?

  • covalent bonding
  • London dispersion forces
  • dipole-dipole forces
  • hydrogen bonding

13. Which noble gas has the highest boiling point?

  • Xe
  • Kr
  • Ar
  • He

14. Which of the following has the lowest boiling point?

  • N2
  • PH3
  • Cl2
  • CaCl2

15. Is the intermolecular force present in HCl?

  • dipole dipole
  • H-bond
  • dispersion
  • ionic

16. What type of intermolecular forces increase with increasing molecular mass?

  • London dispersion forces
  • hydrogen bonding
  • dipole-dipole forces
  • ion-dipole forces

17. Which are the strongest intermolecular forces?

  • hydrogen bonds
  • London dispersion forces
  • dipole-dipole forces
  • molecule-ion attractions

18. What are the most important intermolecular forces found between water molecules?

  • hydrogen bonding
  • London dispersion forces
  • dipole-dipole forces
  • ion-dipole forces

19. Hydrogen bonding is a special type of what force?

  • London dispersion forces
  • ion-dipole forces
  • dipole-dipole forces
  • covalent force

20. What type of intermolecular force is present in all substances, regardless of polarity?

  • ion-dipole forces
  • hydrogen bonding
  • London dispersion forces
  • dipole-dipole forces

21. Which of these molecules exhibits hydrogen bonding as its major intermolecular force of attraction when dissolved in water?

  • HCl
  • HBr
  • HF
  • all of these

22. What explains the very high melting and boiling point of water?

  • Dipole-dipole forces between water molecules
  • London dispersion forces between water molecules
  • Molecule-ion attractions between water molecules
  • Hydrogen bonds between water molecules

23. What force explains the ability for water molecules to dissolve ionic compounds?

  • Molecule-ion attraction
  • Dipole-dipole attraction
  • Hydrogen bonds
  • London Dispersion forces

24. Which of these is not an intermolecular force?

  • London dispersion forces
  • dipole-dipole forces
  • ion-dipole forces
  • ionic bonding

25. Which of these typically increases when IMF’s increase?

  • melting point
  • viscosity
  • boiling point
  • all of these 

 

Intermolecular Forces Terms to Learn

List the intermolecular forces from weakest to strongest:
dispersion, Dipole-dipole, hydrogen bonding
What atoms does Hydrogen interact with to create Hydrogen-Bond Intermolecular Forces?
oxygen, nitrogen, fluorine
What is the relationship between intermolecular forces and boiling point?
Direct
If you have strong intermolecular forces, you will have _____ vapor pressure
low
If you have strong intermolecular forces, you will have _______ surface tension,
high
Which is stronger F₂ or Cl₂ and why?
Cl₂ is stronger because it has more electrons so there is more possibility of creating an uneven shift of electrons.
If BA₂ has a electronegativity difference of .4, CD₂ has a difference of 0, and EF₂ has a difference of .2, list the molecular from highest to lowest dispersion forces:
BA₂, EF₂, CD₂
How do you determine which molecule has higher or lower intermolecular forces?
First determine what sort of intermolecular forces they have (dipole-dipole, dispersion, or hydrogen) then determine the electronegativity difference.
If you have strong intermolecular forces, you will have a _______ melting point.
high
The transition from a solid to a liquid is called:
melting
The transition from a liquid to a gas is called:
evaporation
The transition from a gas to a liquid is called:
condensation
The transition from a liquid to a solid is called:
freezing
The transition from a solid to a gas is called:
sublimation
The transition from gas to solid is called:
deposition
Dispersion intermolecular forces occur with what molecules?
All
The weakest intermolecular forces are found within what sort of atom?
Nonpolar
Induced Dipole occur within what sort of atoms?
Two identical polar molecules
A high boiling point tells what about the intermolecualr forces.
They are strong
A low melting point tells what about the intermolecular forces?
They are weak

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