What is the IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-CH2-C

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Question: What is the IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-CH2-CH3?

Options:

Correct Answer: 3-methylpentane

Solution:

The longest chain has 5 carbons, and the methyl group is on the third carbon, making it 3-methylpentane.

What is the IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-CH2-CH3?

What is the IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-CH2-CH3?

Step 1: Identify the structure of the compound. The structure is CH3-CH2-CH(CH3)-CH2-CH3.
Step 2: Count the number of carbon atoms in the longest continuous chain. There are 5 carbon atoms.
Step 3: Name the longest chain. A chain with 5 carbon atoms is called 'pentane'.
Step 4: Look for any branches (substituents) on the main chain. There is a methyl group (CH3) attached to the third carbon.
Step 5: Combine the information. The compound is named by indicating the position of the methyl group and the name of the longest chain.
Step 6: The final IUPAC name is '3-methylpentane'.

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