What is the IUPAC name of CH3-CH2-CH(CH3)-CH2-CH3?

What is the IUPAC name of CH3-CH2-CH(CH3)-CH2-CH3?

Step 1: Identify the carbon chain in the molecule. Count the number of carbon atoms in the longest continuous chain.
Step 2: In the given structure CH3-CH2-CH(CH3)-CH2-CH3, the longest chain has 5 carbon atoms.
Step 3: Name the longest chain. A 5-carbon chain is called 'pentane'.
Step 4: Look for any branches (substituents) on the main chain. Here, there is a methyl group (CH3) attached to the second carbon.
Step 5: Number the carbon atoms in the main chain starting from the end closest to the substituent. The methyl group is on the second carbon.
Step 6: Combine the substituent name and the main chain name. The methyl group on the second carbon gives us '2-Methyl'.
Step 7: Combine the substituent and the main chain name to get the final IUPAC name: '2-Methylpentane'.

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