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Multiple Choice
Which of the following is a characteristic feature of an alcohol functional group?
A
Contains a hydroxyl group (-OH)
B
Contains a sulfhydryl group (-SH)
C
Contains a carbonyl group (C=O)
D
Contains an amino group (-NH2)
Verified step by step guidance
1
Identify the functional groups listed in the options: hydroxyl group (-OH), sulfhydryl group (-SH), carbonyl group (C=O), and amino group (-NH2).
Recall the definition of an alcohol in organic chemistry: an alcohol is an organic compound that contains one or more hydroxyl groups (-OH) attached to a carbon atom.
Compare the functional groups listed in the options with the definition of an alcohol. The key feature of an alcohol is the presence of a hydroxyl group (-OH).
Understand that the other functional groups listed (sulfhydryl, carbonyl, and amino) are characteristic of different types of organic compounds, such as thiols, ketones/aldehydes, and amines, respectively.
Conclude that the characteristic feature of an alcohol functional group is the presence of a hydroxyl group (-OH).