객관식
Which of the following functional groups contains a group bonded to a atom?
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2. Molecular Representations
Functional Groups
객관식
Which of the following functional groups is characterized by a carbon atom double-bonded to an oxygen atom () and single-bonded to a hydroxyl group ()?
A
Carboxyl group ()
B
Carbonyl group ()
C
Hydroxyl group ()
D
Amino group ()
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검증된 단계별 안내1
Identify the functional groups listed in the problem: Carboxyl group, Carbonyl group, Hydroxyl group, and Amino group.
Understand the structure of each functional group: A Carboxyl group contains a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group (\( \text{COOH} \)).
Recognize that a Carbonyl group consists of a carbon atom double-bonded to an oxygen atom (\( \text{C=O} \)), but it does not include a hydroxyl group.
Note that a Hydroxyl group is simply an \( \text{OH} \) group, and an Amino group is \( \text{NH}_2 \), neither of which includes a carbon atom double-bonded to an oxygen atom.
Conclude that the functional group characterized by a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group is the Carboxyl group.
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