Question detail
How do the properties of polymers compare to small molecular substances?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
How bonding and structure are related to the properties of substances
Question
- A. Polymers have lower melting points than small molecules.
- B. Polymers have higher melting points due to stronger intermolecular forces.
- C. Polymers are always liquids at room temperature.
- D. Polymers do not conduct electricity like small molecules.
Answer
The correct option is Polymers have higher melting points due to stronger intermolecular forces.. This answer is correct because it matches the approved learning objective to explain why many polymers are solids at room temperature in the subtopic Polymers.
Explanation
The correct option is Polymers have higher melting points due to stronger intermolecular forces.. Polymers have higher melting points due to stronger intermolecular forces. is correct because it directly supports the approved learning objective to explain why many polymers are solids at room temperature. This belongs to the subtopic Polymers within How bonding and structure are related to the properties of substances, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Polymers.
Common mistake
Misunderstanding Polymer States
Students often think that all polymers are liquids at room temperature.
Emphasize that many polymers are solids at room temperature due to strong intermolecular forces between polymer molecules.
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