Scelta multipla
Which of the following examples best describes a unique functional property of the carboxyl group?
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4. Biomolecules
Functional Groups
Scelta multipla
Which of the following groups is capable of hydrogen bonding with an oxygen atom on another functional group?
A
Amino group
B
Hydroxyl group
C
Carboxyl group
D
All of the listed responses are correct.
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Understand that hydrogen bonding occurs when a hydrogen atom covalently bonded to a highly electronegative atom, such as nitrogen, oxygen, or fluorine, interacts with another electronegative atom.
Identify the functional groups in question: amino group (-NH2), hydroxyl group (-OH), and carboxyl group (-COOH).
Recognize that the amino group contains a nitrogen atom bonded to hydrogen, which can participate in hydrogen bonding with an oxygen atom from another group.
Note that the hydroxyl group has an oxygen atom bonded to hydrogen, allowing it to form hydrogen bonds with other electronegative atoms, such as oxygen.
Observe that the carboxyl group contains both a carbonyl (C=O) and a hydroxyl (O-H) component, both of which can engage in hydrogen bonding with an oxygen atom from another group.
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