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

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

Options:

Correct Answer: 2-bromobutane

Solution:

The longest carbon chain has four carbons, and the bromine is attached to the second carbon, making the IUPAC name 2-bromobutane.

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

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

Step 1: Identify the longest carbon chain in the compound. Count the number of carbon atoms in the chain.
Step 2: The longest chain has 4 carbon atoms, which is called butane.
Step 3: Look for any branches or substituents attached to the main chain. In this case, there is a methyl group (CH3) attached to the third carbon.
Step 4: Identify the position of the bromine (Br) atom. It is attached to the second carbon in the chain.
Step 5: Combine the information: the compound has a bromine on the second carbon and is a butane, so the IUPAC name is 2-bromobutane.

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