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JAMB Chemistry 1991 Question 42

Question 42

Hydrocarbons

The final products of the reaction between methane and chlorine in the presence of ultraviolet light are hydrogen chloride and

  1. A.chloromethane
  2. B.tetrachloromethane
  3. C.trichloromethane
  4. D.dichloromethane
Show the answer and explanation

Answer: B (tetrachloromethane)

Explanation

Substitution continues until all four hydrogens are replaced, so the final organic product is tetrachloromethane, CCl4.