JEE Main Chemistry question

The IUPAC name of CH₃–CH=CH–C≡CH is

(A)Pent-3-en-1-yneCorrect
(B)Pent-3-en-4-yne
(C)Pent-2-en-4-yne
(D)Pent-2-en-3-yne

Answer: (A)

Solution

The chain is 5 carbons with a double bond and a triple bond. Numbering from the triple-bond end gives locants {1,3} (yne at 1, ene at 3); numbering from the

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Question ID VK-138955