What is the IUPAC name for the hydrocarbon CH₃-C≡C-CH₂-CH₃?
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Pent-3-yne
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Pent-2-yne
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Pentyne
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2-pentyne
📝 Detailed explanation
The longest chain has 5 carbons (pent-). The triple bond starts at the 2nd carbon to give the lowest possible number.
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