Functional Groups and Nomenclature - Problem Set
Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH2-NH2?
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A.
Propylamine
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B.
Butylamine
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C.
Ethylamine
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D.
Isopropylamine
Solution
The compound has three carbon atoms and an amine functional group, making it propylamine.
Correct Answer: A — Propylamine
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Q. Which of the following compounds is a carboxylic acid?
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A.
CH3-CH2-CHO
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B.
CH3-COOH
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C.
CH3-CH2-OH
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D.
CH3-CO-CH3
Solution
CH3-COOH is a carboxylic acid because it contains the -COOH functional group.
Correct Answer: B — CH3-COOH
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Q. Which of the following is a characteristic feature of esters?
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A.
-COOH
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B.
-OH
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C.
-O-
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D.
-NH2
Solution
Esters are characterized by the presence of the -O- group between two carbon chains, typically represented as RCOOR'.
Correct Answer: C — -O-
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Q. Which of the following is a characteristic of alkenes?
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A.
Single bonds only
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B.
At least one double bond
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C.
At least one triple bond
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D.
Only cyclic structures
Solution
Alkenes are characterized by the presence of at least one double bond between carbon atoms.
Correct Answer: B — At least one double bond
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