객관식
Which table correctly describes the uses of aldehydes?
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2. Molecular Representations
Functional Groups
객관식
Which of the following statements is true of products that contain aniline derivatives?
A
They contain a benzene ring bonded to a group.
B
They contain a benzene ring bonded to an group.
C
They contain a benzene ring bonded to a group.
D
They contain a benzene ring directly bonded to an group.
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검증된 단계별 안내1
Understand the structure of aniline: Aniline is a benzene ring directly bonded to an amino group, which is represented as \( \mathrm{NH_2} \).
Analyze each option by identifying the functional group attached to the benzene ring: \( \mathrm{COOH} \) is a carboxylic acid group, \( \mathrm{CHO} \) is an aldehyde group, and \( \mathrm{CH_3} \) is a methyl group.
Recall that aniline derivatives specifically have the amino group \( \mathrm{NH_2} \) attached to the benzene ring, distinguishing them from other benzene derivatives with different substituents.
Confirm that the correct statement must describe a benzene ring bonded directly to an \( \mathrm{NH_2} \) group, which matches the definition of aniline derivatives.
Conclude that the true statement is the one indicating the benzene ring is bonded to an \( \mathrm{NH_2} \) group, as this is the defining feature of aniline derivatives.
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