객관식
Which of the following is the correct IUPAC name for a compound with the structure ?
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4. Alkanes and Cycloalkanes
IUPAC Naming
객관식
What is the IUPAC name for the molecule with the structure ?
A
Propane
B
Pentane
C
Butane
D
Methane
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검증된 단계별 안내1
Identify the molecular formula of the given structure. The structure shows a chain of four carbon atoms connected linearly, each bonded to the appropriate number of hydrogens to satisfy carbon's tetravalency.
Determine the longest continuous carbon chain in the molecule. Since there are four carbons connected in a row, the longest chain has four carbons.
Recall the IUPAC nomenclature for alkanes based on the number of carbons in the longest chain: 1 carbon is methane, 2 carbons is ethane, 3 carbons is propane, 4 carbons is butane, and 5 carbons is pentane.
Match the longest chain length (4 carbons) to the corresponding alkane name, which is 'butane'.
Confirm that there are no branches or substituents on the chain, so the name remains simply 'butane' without any prefixes or numbers.
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