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

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

Options:

Correct Answer: 2-bromo-3-methylbutane

Solution:

The longest carbon chain has four carbons, and the bromine is on the first carbon, making it 1-bromo-3-methylbutane.

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

What is the IUPAC name of the compound with the formula 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 (substituents) on the main chain. In this case, there is a methyl group (CH3) on the third carbon.
Step 4: Identify the position of the bromine (Br) atom. It is attached to the first carbon of the chain.
Step 5: Combine the information: The compound has a bromine on the first carbon and a methyl group on the third carbon.
Step 6: Write the IUPAC name by placing the substituents in alphabetical order. The name is 1-bromo-3-methylbutane.

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