Higher Chemistry Inter molecular forces

Which is the strongest intermolecular force?

• London Dispersion forces

• Permanent Dipole-Permanent Dipole

• Hydrogen Bonding

• Covalent Bonding

Which is the weakest intermolecular force?

• London Dispersion forces

• Permanent Dipole - Permanent Dipole

• Hydrogen Bonding

• Covalent Bonding

Which force is present between all atoms and molecules

• London Dispersion forces

• Hydrogen Bonding

• Permanent Dipole - Permanent Dipole

• Covalent Bonds

Which force is broken when water boils?

• London Dispersion forces

• Hydrogen Bonding

• Permanent Dipole - Permanent Dipole

• Covalent Bonds

Which force is broken when helium turns into a gas?

• London Dispersion forces

• Hydrogen Bonding

• Permanent Dipole - Permanent Dipole

• Covalent Bonds

For hydrogen bonding to take place between molecules one of three elements must be covalently bonded to hydrogen. Which three?

• Oxygen, Sulfur, Chlorine

• Nitrogen, Oxygen, Fluorine

• Nitrogen, Helium, Bromine

• Oxygen, Fluorine, Chlorine

Which molecule will have hydrogen bonds between the molecules

• Hydrogen Fluoride

• Hydrogen Sulfide

• Nitrogen monoxide

• Hydrogen Chloride

For a molecule to have permanent dipole-permanent dipole interactions which is true

• The molecule must have polar covalent bonds

• The molecule must have polar covalent bonds and be symmetrical

• The molecule must have polar covalent bonds and be asymmetrical

• The molecule must be asymmetrical

Hydrogen will form a non-polar covalent bond with an element that has an electronegativity value of

• 0.9

• 2.2

• 2.5

• 3.0

Which of the following is a polar molecule?

• CCl₄

• CO₂

• H₂O

• CH₄