Ethyne can be prepared using 1, 2-dibromoethane as starting material. What else is used in preparation?

Answer: Alcoholic KOH
Explanation
  • Ethyne (C₂H₂) can be prepared from 1,2-dibromoethane by dehydrohalogenation using alcoholic KOH.
  • Alcoholic KOH promotes elimination (E2 reaction), removing HBr to form ethyne.
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