객관식
Which monomer is used to synthesize ?
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2. Molecular Representations
Functional Groups
Multiple Choice
Which of the following compounds is classified as a carboxylic acid?
A
B
C
D
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검증된 단계별 안내1
Identify the functional group characteristic of a carboxylic acid, which is the carboxyl group: \(\mathrm{-COOH}\).
Examine each compound's formula to see if it contains the \(\mathrm{-COOH}\) group:
- \(\mathrm{CH_3COOH}\) contains the carboxyl group, indicating it is a carboxylic acid.
- \(\mathrm{CH_3COOCH_3}\) contains an ester group (\(\mathrm{-COO-}\) bonded to an alkyl group), not a carboxylic acid.
- \(\mathrm{CH_3OH}\) is an alcohol with a hydroxyl group (\(\mathrm{-OH}\)), not a carboxylic acid.
- \(\mathrm{CH_3CHO}\) is an aldehyde with a formyl group (\(\mathrm{-CHO}\)), not a carboxylic acid.
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