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Heterocyclic compound: Quiz

  

Question 1: Some examples are ________ (C5H5N), pyrimidine (C4H4N2) and dioxane (C4H8O2).
PyridineAcetic acidEthanolBenzene

Question 2: With heterocycles containing five atoms, the unsaturated compounds are frequently more stable because of ________.
AromaticityChemical bondConjugated systemCovalent bond

Question 3: Note that compounds such as cyclopropane, an anaesthetic with explosive properties, and ________, a solvent, are not heterocyclic; they are cycloalkanes.
CycloheptaneCyclohexaneBenzeneCyclohexanone

Question 4: The ________ recommends using the Hantzsch-Widman nomenclature to name heterocyclic compounds.
PotassiumCarbonIUPAC nomenclatureInternational Union of Pure and Applied Chemistry

Question 5: Many heterocyclic compounds, including some ________, are carcinogenic.
PyridineAlcoholAmideAmine

Question 6: Heterocyclic compounds are organic compounds containing at least one atom of ________, and at least one element other than carbon, such as sulfur, oxygen or nitrogen within a ring structure.
CarbonGoldAluminiumUranium

Question 7: List of known carcinogens by the State of California, ________ (more comprehensive)
OrganophosphateBisphenol ACalifornia Proposition 65 (1986)Polychlorinated biphenyl
















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