MAGS Y13 Intermolecular Forces + Shapes

Identify all intermolecular forces from this list

• Hydrogen bonding

• Covalent bonding

• Permanent dipole attractions

• Temporary dipole attractions

• Ionic bonding

Which of these molecules contains both polar bonds and remains polar

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Which of these has the see saw shape?

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Identify the molecule that would have both permanent dipoles and temporary dipole attractions between molecules

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Which of the intermolecular forces are the strongest?

• temporary dipole dipole attractions

• permanent dipole dipole attractions

• hydrogen bonds

• covalent bonds

Non-polar molecules all have which type of intermolecular force only?

• Temporary dipole dipole attractions

• Permanent dipole dipole attractions

• Hydrogen bonding

• None of the above, they aren't held together by intermolecular forces

Which of the following has the strongest intermolecular forces?

• Ammonia

• Ethane

• Methylamine

The strength of the intermolecular forces depends on which things:

• Number of covalent bonds

• The amount of lone pairs of electrons

• The difference in electronegativity of atoms in covalent bonds

• Size of the electron cloud

• If the atom has 3d and 4s electrons

Which is likely to have the higher mp out of I₂ and Br₂ and why?

• Br₂ as it has more permanent dipole attractions

• I₂ as it has a greater strength of electronegativity

• Br₂ as it has the smaller molar mass

• I₂ due to the larger electron cloud

Identify the molecule that will have hydrogen bonds between molecules

• HCl

• HNO₃

• CH₄

• HF