Which one of the following statements is not matched correctly?
Correct answer: D. Option D: Phenol is a heterocyclic compound.
- A. Option A: 1-butene is a linear hydrocarbon.
- B. Option B: Cyclohexene is an alicyclic hydrocarbon.
- C. Option C: Toluene is an aromatic hydrocarbon.
- D. Option D: Phenol is a heterocyclic compound.
Explanation
The correct answer is Option D: Phenol is not a heterocyclic compound. A heterocyclic compound contains a ring structure with different types of atoms, such as nitrogen (N), oxygen (O), or sulfur (S), integrated into the ring. Phenol, however, consists of a benzene ring (which is homocyclic) with a hydroxyl group attached externally. The other options correctly describe the nature of the hydrocarbons: 1-butene is a linear hydrocarbon, Cyclohexene is an alicyclic hydrocarbon with a carbon ring, and Toluene is an aromatic hydrocarbon with a benzene ring and a methyl group.
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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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