Organic Chemistry: Alkanes, Alkenes, and Alkynes
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Questions and Answers

Which heterocyclic compound is an important component of the drug cimetidine used for treating stomach ulcers?

  • Pyridine
  • Pyrrole
  • Imidazole (correct)
  • Furan
  • Which heterocyclic compound is a component of the porphyrin ring found in hemoglobin and chlorophyll?

  • Imidazole
  • Pyridine
  • Pyrrole (correct)
  • Furan
  • Which heterocyclic compound has been commonly used to combat anaerobic bacterial and parasitic infections?

  • Furan
  • Pyridine
  • Pyridine
  • Imidazole (correct)
  • What is the defining characteristic of alkenes?

    <p>They have at least one double bond</p> Signup and view all the answers

    Which hydrocarbon is an example of a cyclic alkane?

    <p>Cyclopropane</p> Signup and view all the answers

    What happens when alkanes undergo incomplete combustion?

    <p>They produce carbon monoxide and water</p> Signup and view all the answers

    Why is incomplete combustion in car engines a concern?

    <p>It results in the production of toxic, odorless carbon monoxide</p> Signup and view all the answers

    Which type of reaction involves the exchange of the hydrogen attached to carbon with other groups or atoms in aromatic compounds?

    <p>Friedel-Crafts Alkylation</p> Signup and view all the answers

    What is the composition of Alpha 3,7,11-trimethyl-1,3,6,10-dodecatriene which is responsible for the odor and color of green apples?

    <p>15 carbon atoms and 4 double bonds</p> Signup and view all the answers

    What is the primary use of toluene, an aromatic compound?

    <p>Explosives</p> Signup and view all the answers

    Which of the following is considered toxic when taken internally and is also considered to be carcinogenic?

    <p>Benzene</p> Signup and view all the answers

    Study Notes

    Heterocyclic Compounds

    • Imidazole is a heterocyclic compound and an important component of the drug cimetidine, used for treating stomach ulcers.
    • Porphyrin ring, found in hemoglobin and chlorophyll, is a heterocyclic compound.
    • Metronidazole is a heterocyclic compound commonly used to combat anaerobic bacterial and parasitic infections.

    Alkenes

    • The defining characteristic of alkenes is the presence of one or more carbon-carbon double bonds.

    Cyclic Alkanes

    • Cyclohexane is an example of a cyclic alkane.

    Incomplete Combustion

    • When alkanes undergo incomplete combustion, they produce soot, carbon monoxide, and water vapor.
    • Incomplete combustion in car engines is a concern because it can lead to the formation of air pollutants and reduce engine efficiency.

    Aromatic Compounds

    • Electrophilic substitution reactions involve the exchange of the hydrogen attached to carbon with other groups or atoms in aromatic compounds.

    Alpha 3,7,11-trimethyl-1,3,6,10-dodecatriene

    • Alpha 3,7,11-trimethyl-1,3,6,10-dodecatriene is responsible for the odor and color of green apples, and its composition is C₁₂H₂₀.

    Toluene

    • The primary use of toluene, an aromatic compound, is as a solvent and a precursor to other chemicals.

    Toxicity

    • Benzene is considered toxic when taken internally and is also considered to be carcinogenic.

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    Description

    Test your knowledge of organic chemistry with this quiz on the classification of aliphatic and aromatic hydrocarbons. Learn about the characteristics of alkanes, alkenes, alkynes, and cycloalkanes.

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