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

$pent^{-1}-yn^{-3}-ene$

pen $t^{-3}$ , on $e^{-1}$ , yne

$pent^{-2}-ene^{-4} yne$

$³⁻penept^{-1}-yne$

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 pen $t^{-1}$ -y $n^{-3}$ -ene.

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