The IUPAC name of the compound having the formula $\mathrm{CH} \equiv \mathrm{C}-\mathrm{CH}=\mathrm{CH}_2$…

The IUPAC name of the compound having the formula $\mathrm{CH} \equiv \mathrm{C}-\mathrm{CH}=\mathrm{CH}_2$ is -
  1. 1-butene-3-yne
  2. 3-buten-1-yne
  3. 1-butyn-3-ene
  4. but-1-yn-3-ene

Asked in: NEET 2009 (Mains)

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