MCQ
The IUPAC name of the compound CH≡C−CH2​−CH2​−CH=CH2​ is:
  • A
    Hex-1-en-5-yne
  • B
    Hexyn-5-ene
  • C
    Hex-5-en-2-yne
  • D
    Hex-5-en-1-yne

Answer

  1. Hex-1-en-5-yne

Explanation:

CH≡C−CH2​−CH2​−CH=CH2​

IUPAC name: Hex-1-en-5-yne.

Numbering starts from the double bond bearing carbon, as alkenes are higher priority functional groups than alkynes (triple bond).

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