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Multiple Choice
Which of the following statements is true regarding the functional group known as a carboxylic acid?
A
It contains a carbonyl group bonded to an amino group.
B
It contains a carbonyl group bonded to a thiol group.
C
It contains a carbonyl group bonded to an alkyl group.
D
It contains a carbonyl group bonded to a hydroxyl group.
Verified step by step guidance
1
Understand the structure of a carboxylic acid. A carboxylic acid is characterized by the presence of a carboxyl group, which is composed of a carbonyl group (C=O) bonded to a hydroxyl group (OH).
Recognize the components of a carbonyl group. A carbonyl group consists of a carbon atom double-bonded to an oxygen atom, represented as .
Identify the hydroxyl group. A hydroxyl group is composed of an oxygen atom single-bonded to a hydrogen atom, represented as .
Combine the carbonyl and hydroxyl groups to form the carboxyl group. The carboxyl group is represented as , where the carbonyl group is bonded to the hydroxyl group.
Evaluate the given statements based on the structure of a carboxylic acid. The correct statement is that a carboxylic acid contains a carbonyl group bonded to a hydroxyl group.