Compound containing benzene ring in their structure are __________________?
Correct answer: B. aromatic
- A. aliphatic
- B. aromatic
- C. carboxylic acid
- D. carbohydrates
Explanation
A compound containing a benzene ring is classified as aromatic because the ring has a delocalized pi-electron system that follows aromatic stability requirements. Aliphatic compounds do not contain an aromatic benzene-type ring. Students may choose carboxylic acid by focusing on a possible functional group rather than the ring structure.
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About Classification of Organic Compounds
Organic compounds are classified by carbon skeleton into open-chain, branched-chain and cyclic compounds, including homocyclic and heterocyclic types. The classification also uses functional groups to distinguish hydrocarbons, halo compounds, alcohols, aldehydes, ketones, carboxylic acids and their derivatives, which is different from naming compounds by IUPAC rules.
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