Multiple Choice
Which functional group is responsible for the dark coloration in certain organic compounds?
2. Molecular Representations
Functional Groups
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Which of the following is an example of a functional group in organic chemistry?
A
Sodium chloride (NaCl)
B
Water (H2O)
C
Hydroxyl group (-OH)
D
Helium gas (He)
Verified step by step guidance1
Understand the concept of a functional group: In organic chemistry, a functional group is a specific group of atoms within a molecule that is responsible for a characteristic chemical reaction of that molecule.
Identify the options given: Sodium chloride (NaCl), Water (H2O), Hydroxyl group (-OH), and Helium gas (He).
Analyze each option: Sodium chloride is an ionic compound, Water is a molecule without a specific functional group, Helium is a noble gas, and Hydroxyl group (-OH) is a common functional group in organic chemistry.
Recognize that the hydroxyl group (-OH) is a functional group: It is commonly found in alcohols and is responsible for their chemical properties.
Conclude that the hydroxyl group (-OH) is the correct example of a functional group in organic chemistry.
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