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Fundamental Principles of Organic Chemistry IUPAC Nomenclature of Enynes

1

Choose the best answer

The IUPAC name of CH₃CH=CHC≡CH is:

Verified Answer & Explanation⌄

Correct Answer: A) Pent-3-en-1-yne

Concept Explanation

Numbering from the alkyne end gives the lowest set of multiple-bond locants, 1 and 3; “en” is written before “yne” in the name.

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