Which among the following is not an aromatic compound (in specific)?
Correct answer: D. Tropolone
- A. Naphthalene
- B. Aniline
- C. Pyridine
- D. Tropolone
Explanation
Tropoline is also a heterocyclic compound with a seven-membered ring containing one nitrogen atom, but it is not considered aromatic because it does not follow Huckel's rule of having a planar, fully conjugated ring with (4n+2)pi electrons.
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About Fundamental Principles of Organic Chemistry
Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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