Asked in Premeth Test 15 — Organic Chemistry Concepts and Hydrocarbons (17 March 2025) 2025Moderate

Which of the following class of organic compounds contains a ring which has more than one kind of atom?

Correct answer: B. Heterocyclic

  • A. Aromatic
  • B. Heterocyclic
  • C. Non-benzenoid
  • D. Aliphatic

Explanation

Heterocyclic compounds are cyclic compounds in which one or more of the ring atoms are elements other than carbon. These other atoms, such as nitrogen, oxygen, or sulfur, are referred to as heteroatoms.

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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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