Multiple Choice
Which of the following functional groups contains a carbon atom double-bonded to an oxygen atom ()?
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2. Molecular Representations
Functional Groups
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Which statement about a methyl functional group is correct?
A
A methyl group consists of one carbon atom bonded to three hydrogen atoms, represented as .
B
A methyl group contains an oxygen atom bonded to a carbon atom.
C
A methyl group is an aromatic ring containing six carbon atoms.
D
A methyl group is a functional group with a nitrogen atom double-bonded to a carbon atom.
Verified step by step guidance1
Understand that a methyl group is a common alkyl functional group in organic chemistry.
Recall that a methyl group consists of one carbon atom bonded to three hydrogen atoms, which can be represented as \(\mathrm{CH}_3\).
Recognize that a methyl group does not contain oxygen atoms; oxygen-containing groups are different functional groups such as hydroxyl (\(\mathrm{OH}\)) or carbonyl groups.
Know that an aromatic ring with six carbon atoms refers to a benzene ring, which is not a methyl group but a distinct structure.
Identify that a nitrogen atom double-bonded to a carbon atom describes an imine functional group, not a methyl group.
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