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JAMB Chemistry 2004 Question 48

Question 48

Alkanols

C2H5OH(aq) → Y (conc. H2SO4, 180°C)
In the reaction above, Y represents

  1. A.CH4
  2. B.C2H5COOH
  3. C.C2H4
  4. D.CH3OCH3
Show the answer and explanation

Answer: C (C2H4)

Explanation

Excess concentrated sulphuric acid at about 180°C removes water from ethanol (dehydration), giving ethene, C2H4.