In this worksheet, we will practice describing the origins and strengths of intermolecular forces and explaining their effects on material properties.
Q1:
Which of the following would not strengthen the intermolecular forces between a pair of molecules?
- ALarger molecules
- BMore polar bonds
- CLower temperatures
- DMore rounded molecules
- EHigher pressures
Q2:
Which of the following is generally weakest?
- AIonic bonds
- BCovalent bonds
- CMetallic bonds
- DIntermolecular forces
Q4:
Poly(ethene) is a popular plastic for making carrier bags. The polymer chains can be made from a variable number of ethene units. For which of the following poly(ethene) molecules would the intermolecular forces be strongest?
- A
- B
- C
- D
Q5:
Which of the following molecules exhibits the strongest intermolecular forces?
- A
- B
- C
- D
- E
Q6:
Listed in the table are the boiling points of a range of compounds containing two carbon atoms.
| Substance | Ethanal | Ethane | Ethanol | Ethene | Ethyne |
|---|---|---|---|---|---|
| Boiling Point (℃) | 20 | 78 |
Which of the molecules in the table displays the strongest intermolecular forces?
- AEthene
- BEthanal
- CEthane
- DEthanol
- EEthyne