Multiple Choice
Polystyrene is used to make Styrofoam cups. Which functional group is present in the repeating unit of polystyrene?
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3. Chemical Reactions
Functional Groups in Chemistry
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Which of the following functional groups contains nitrogen?
A
Ketone
B
Amine
C
Carboxylic acid
D
Alcohol
Verified step by step guidance1
Identify the structure of each functional group listed: ketone, amine, carboxylic acid, and alcohol.
Recall that a ketone contains a carbonyl group (C=O) bonded to two carbon atoms, with no nitrogen present.
Recognize that an amine contains a nitrogen atom bonded to one or more alkyl or aryl groups, which is the defining feature of this group.
Understand that a carboxylic acid contains a carboxyl group (-COOH), which includes carbon, oxygen, and hydrogen, but no nitrogen.
Know that an alcohol contains a hydroxyl group (-OH) attached to a carbon atom, and does not contain nitrogen.
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