Multiple Choice
What is the correct IUPAC name for a compound with the structure commonly referred to as -methyl--(-methylethyl)octane?
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4. Alkanes and Cycloalkanes
IUPAC Naming
Multiple Choice
What is the correct IUPAC name for the compound with the structure ?
A
Butane
B
Pentane
C
Hexane
D
Propane
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Verified step by step guidance1
Identify the number of carbon atoms in the longest continuous chain of the compound. Count each carbon atom in the chain to determine the base name.
Recall the IUPAC alkane naming system where the prefix indicates the number of carbons: 'prop-' for 3, 'but-' for 4, 'pent-' for 5, and 'hex-' for 6 carbons.
Since the compound is a straight chain with no branches or functional groups, the suffix will be '-ane' indicating an alkane (a saturated hydrocarbon).
Combine the prefix corresponding to the number of carbons with the suffix '-ane' to form the correct IUPAC name.
Verify that the name matches the structure by ensuring the number of carbons in the name equals the number of carbons in the chain.
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