MarksRiser
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AIIMS2000Chemistry-Organic Chemistry

AIIMS 2000 Chemistry Nomenclature MCQ Question

Type: MCQ-conceptual-Medium-Class 11

The IUPAC name of CH₃C≡C−CH=CH−CH₃ is

A

pent−1−yn−3−enepent^{-1}-yn^{-3}-ene

B

pent−3t^{-3}, one−1e^{-1}, yne

C

pent−2−ene−4ynepent^{-2}-ene^{-4} yne

D

³−penept−1−yne³⁻penept^{-1}-yne

Correct Answer

Option B

Detailed Explanation

The longest carbon chain contains five carbons with a triple bond at position 1 and a double bond at position 3, hence the name pent−1t^{-1}-yn−3n^{-3}-ene.

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