교과서 질문
Of the following functional groups, which is/are polar, tending to make organic compounds hydrophilic?
a. Carbonyl
b. Amino
c. Hydroxyl
d. All of the above
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4. Biomolecules
Functional Groups
객관식
What is the name of the functional group shown in the figure?
A
Carbonyl.
B
Ketone.
C
Carboxyl.
D
Methyl.
E
Phosphate.
검증된 단계별 안내1
Examine the structure in the image: it consists of a carbon atom (C) double-bonded to an oxygen atom (O) and single-bonded to a hydroxyl group (OH).
Identify the components of the functional group: the carbonyl group (C=O) and the hydroxyl group (OH) are both present.
Recognize that the combination of a carbonyl group and a hydroxyl group attached to the same carbon atom forms a carboxyl group.
Understand that a carboxyl group is typically represented as \( \text{COOH} \) and is a common functional group in organic chemistry, particularly in carboxylic acids.
Conclude that the functional group shown in the figure is a carboxyl group, which is characterized by the presence of both a carbonyl and a hydroxyl group attached to the same carbon atom.
