The organic compounds having very high molecular weight are called _________________?
Correct answer: D. polymers
- A. carboxylic acids
- B. ketones
- C. aldehydes
- D. polymers
Explanation
Polymers are very large organic molecules formed by joining many repeating monomer units, so they have high molecular masses. Students may choose carboxylic acids because some have large molecules, but that functional-group class does not itself mean the compound is a high-molecular-weight macromolecule.
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About Polymers
Polymers are large molecules made from repeating monomer units joined by covalent bonds. The topic distinguishes addition polymers such as polyethylene, PVC and polystyrene from condensation polymers such as nylon and polyester, and relates chain structure to thermoplastics, thermosetting polymers, elastomers, properties, uses and environmental concerns.
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