JAMB Chemistry 2000 Question 47

Question 47

Hydrocarbons

The reaction of carbide with water gives

  1. A.ethyne
  2. B.ethene
  3. C.ethane
  4. D.ethanal
Show the answer and explanation

Answer: A (ethyne)

Explanation

Calcium carbide reacts with water: CaC2 + 2H2O → Ca(OH)2 + C2H2 (ethyne).