Chemistry · Alkynes: Acidic character, addition of hydrogen, halogens, water and hydrogen halides, polymerization
Treatment of calcium carbide with water gives:
Treatment of calcium carbide with water gives:
- A. ethene
- B. ethyne
- C. ethane
- D. benzene
Step-by-step solution
Calcium carbide (CaC2) reacts with water to produce acetylene (ethyne) and calcium hydroxide: CaC2 + 2H2O → C2H2 + Ca(OH)2. This is a standard laboratory preparation of ethyne.