Isomerism and Stereochemistry - Higher Difficulty Problems
Q. What is the correct IUPAC name for the compound CH3-CH2-CH(CH3)-CH2-CH3?
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A.
3-methylpentane
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B.
2-methylpentane
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C.
4-methylpentane
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D.
2,2-dimethylbutane
Solution
The longest chain has five carbons, and the methyl group is on the third carbon, making it 3-methylpentane.
Correct Answer: A — 3-methylpentane
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Q. What is the correct IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-CH2-CH3?
-
A.
3-methylpentane
-
B.
2-methylpentane
-
C.
4-methylpentane
-
D.
2,3-dimethylbutane
Solution
The longest chain has five carbons, and the methyl group is on the third carbon, making it 3-methylpentane.
Correct Answer: A — 3-methylpentane
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