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Multiple Choice
What is the IUPAC name of the compound with the structure ?
A
Propane
B
2-Methylpropane
C
Butane
D
Pentane
Verified step by step guidance
1
Identify the molecular structure given: it consists of four carbon atoms connected in a straight chain, each bonded to the appropriate number of hydrogen atoms to satisfy carbon's tetravalency.
Determine the longest continuous carbon chain in the molecule. Since there are four carbons connected linearly, the longest chain is four carbons long.
Recall the IUPAC nomenclature for alkanes: a four-carbon straight chain alkane is named 'butane'.
Check for any branches or substituents attached to the main chain. In this structure, there are no branches or additional groups attached.
Conclude that the correct IUPAC name for the compound is 'butane' because it is a straight-chain alkane with four carbon atoms and no substituents.