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

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

Options:

Correct Answer: 1-bromo-2-methylpropane

Solution:

The correct IUPAC name is 1-bromo-2-methylpropane, as the longest carbon chain has three carbons and the bromine is on the first carbon.

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

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

Step 1: Identify the longest carbon chain in the compound. In this case, the longest chain has three carbon atoms (CH3-CH2-CH).
Step 2: Number the carbon atoms in the longest chain starting from the end closest to the substituent (bromine). This gives us 1, 2, and 3.
Step 3: Identify the substituents. There is a bromine (Br) on the first carbon and a methyl group (CH3) on the second carbon.
Step 4: Combine the names of the substituents with the name of the longest chain. The bromine is on carbon 1, and the methyl group is on carbon 2.
Step 5: Write the IUPAC name. The correct name is 1-bromo-2-methylpropane.

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