Hydrohalogenation of Alkynes (HX) and Geminal Dihalides: Mechanism + Exam Traps

Learn HX addition to alkynes: Markovnikov vinyl halides with 1 equiv and geminal dihalides with 2 equiv; predict regioselectivity and mixtures.

  • Reaction: Hydrohalogenation of Alkynes (HX) and Geminal Dihalides
  • What it does: Learn HX addition to alkynes: Markovnikov vinyl halides with 1 equiv and geminal dihalides with 2 equiv; predict regioselectivity and mixtures.
  • Typical reagents: HBr (1 equiv)
  • Key intermediate: Varies / context-dependent
  • Driving force: Formation of more stable bonds / products
  • Exam type: Predict major product
  • Exam type: Mechanism choice

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