Multiple Choice
Which of the following is an example of a functional group in organic chemistry?
2. Molecular Representations
Functional Groups
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Which of the following is a functional group commonly found in organic molecules?
A
Sodium ion (Na+)
B
Hydroxyl group (-OH)
C
Chloride ion (Cl-)
D
Helium atom (He)
Verified step by step guidance1
Identify the definition of a functional group: A functional group is a specific group of atoms within a molecule that is responsible for a characteristic chemical reaction of that molecule.
Review the options provided: Sodium ion (Na+), Hydroxyl group (-OH), Chloride ion (Cl-), and Helium atom (He).
Determine which of these options is a functional group: A functional group is typically a group of atoms bonded together, not a single atom or ion.
Recognize that the hydroxyl group (-OH) is a common functional group found in organic molecules, such as alcohols.
Conclude that the hydroxyl group (-OH) is the correct answer, as it fits the definition of a functional group and is commonly found in organic chemistry.
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