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Questions and Answers
What is the IUPAC nomenclature rule for naming aldehydes?
What is the IUPAC nomenclature rule for naming aldehydes?
- Replace the terminal -e of the alkane with -ene
- Replace the terminal -e of the alkane with -al (correct)
- Replace the terminal -e of the alkane with -ol
- Replace the terminal -e of the alkane with -one
What is the purpose of prefixes in substitutive nomenclature?
What is the purpose of prefixes in substitutive nomenclature?
- To indicate the functional group
- To indicate the molecular formula
- To indicate the substituents (correct)
- To indicate the parent alkane
What is the IUPAC name of the compound with the molecular formula CH₃COCH₃?
What is the IUPAC name of the compound with the molecular formula CH₃COCH₃?
- Propanone
- Acetone (correct)
- Butanone
- Ethanal
What is the correct IUPAC name for the compound with the molecular formula CH₃CH₂CHO?
What is the correct IUPAC name for the compound with the molecular formula CH₃CH₂CHO?
What is the functional class nomenclature rule for naming ketones?
What is the functional class nomenclature rule for naming ketones?
What is the suffix used to indicate an aldehyde functional group in IUPAC nomenclature?
What is the suffix used to indicate an aldehyde functional group in IUPAC nomenclature?
What is the correct IUPAC name for the compound with the molecular formula C₂H₄O?
What is the correct IUPAC name for the compound with the molecular formula C₂H₄O?
How are cyclic ketones named in IUPAC nomenclature?
How are cyclic ketones named in IUPAC nomenclature?
What is the common name for the compound with the IUPAC name methanal?
What is the common name for the compound with the IUPAC name methanal?
What is the IUPAC name for the compound with the molecular formula C₆H₅CHO?
What is the IUPAC name for the compound with the molecular formula C₆H₅CHO?
How are aldehydes and ketones named using the IUPAC convention?
How are aldehydes and ketones named using the IUPAC convention?
What is the IUPAC name for the compound with the molecular formula C₅H₈O?
What is the IUPAC name for the compound with the molecular formula C₅H₈O?
Study Notes
Aldehydes and Ketones: Nomenclature
IUPAC Nomenclature
- Aldehydes:
- Named as derivatives of the parent alkane
- Replace the terminal -e of the alkane with -al
- Example: methanal (formaldehyde), ethanal (acetaldehyde)
- Ketones:
- Named as derivatives of the parent alkane
- Replace the terminal -e of the alkane with -one
- Example: propanone (acetone), butanone (ethyl methyl ketone)
Substitutive Nomenclature
- Prefixes used to indicate the substituents:
- Alkyl groups: methyl-, ethyl-, propyl-, etc.
- Halogens: chloro-, bromo-, iodo-, etc.
- Other substituents: hydroxy-, amino-, etc.
- Example: 3-chloropropanal, 2-methyl-1-phenylpropan-1-one
Functional Class Nomenclature
- Aldehydes:
- Named as a derivative of the parent aldehyde
- Example: 2-methylbutanal, 3-phenylpropanal
- Ketones:
- Named as a derivative of the parent ketone
- Example: 2-methylbutan-2-one, 3-phenylpropan-2-one
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Description
Test your knowledge of the IUPAC nomenclature rules for aldehydes and ketones, including substitutive and functional class nomenclature. Learn how to name these organic compounds correctly. Practice with this quiz and become proficient in organic chemistry!
