Intermolecular forces Quiz
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5 questions, one answer each
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1. Which force is present in all molecules?
- A. Hydrogen bonding
- B. London forces
- C. Permanent dipole–dipole forces
- D. Ionic bonding
2. Which molecule can form hydrogen bonds with another of its own kind?
- A. NH₃
- B. CH₄
- C. HBr
- D. CH₃Cl
3. Why does ice float on liquid water?
- A. Ice has stronger covalent bonds
- B. Ice molecules are heavier
- C. Water molecules in ice have no hydrogen bonds
- D. Hydrogen bonds hold the molecules in an open lattice, further apart than in the liquid
4. Which has the highest boiling temperature?
- A. 2,2-dimethylpropane
- B. Pentane
- C. 2-methylbutane
- D. Propane
5. Why is bromoethane not soluble in water?
- A. It is ionic
- B. It has too many electrons
- C. It cannot form hydrogen bonds with water, so its attractions to water are weaker than water's own hydrogen bonds
- D. It reacts with water