What is the IUPAC name for the compound CH3-CH2-CH(CH3)-C≡C-CH2-CH3?

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

Options:

Correct Answer: 3-heptyne

Solution:

The longest carbon chain containing the triple bond has 7 carbons, and the triple bond starts at carbon 3, making it 3-heptyne.

What is the IUPAC name for the compound CH3-CH2-CH(CH3)-C≡C-CH2-CH3?

What is the IUPAC name for the compound CH3-CH2-CH(CH3)-C≡C-CH2-CH3?

Step 1: Identify the structure of the compound CH3-CH2-CH(CH3)-C≡C-CH2-CH3.
Step 2: Count the number of carbon atoms in the longest continuous chain that includes the triple bond.
Step 3: The longest chain has 7 carbon atoms, which is called heptyne.
Step 4: Determine the position of the triple bond. It starts at the 3rd carbon in the chain.
Step 5: Combine the position of the triple bond with the name of the longest chain to get the IUPAC name.
Step 6: The final IUPAC name is 3-heptyne.

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