MCQ
The $IUPAC$ name of the compound $CH_3CH=CHC\equiv  CH$ is
  • A
    pent${-4}-$yn$-{2-}$ene
  • pent$-{3-}$en$-1-$yne
  • C
    pent$-{2-}$en${-4}-$yne
  • D
    pent$-1-$yn$-{3-}$ene

Answer

Correct option: B.
pent$-{3-}$en$-1-$yne
b
$\mathop {\mathop {C{H_3}}\limits^5  - \mathop {CH}\limits^4  = \mathop {CH}\limits^3  - \mathop C\limits^5  \equiv \mathop {CH}\limits^1 }\limits_{pent\, - \,3\,\, - \,en\, - \,1\,\, - \,yne} $

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