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JAMB Chemistry 1978 Question 32

Question 32

Hydrocarbons

The most common type of chemical reaction which alkanes undergo is

  1. A.substitution
  2. B.addition
  3. C.condensation
  4. D.polymerisation
  5. E.double decomposition.
Show the answer and explanation

Answer: A (substitution)

Explanation

Alkanes are saturated, so they cannot add atoms; they react by substitution, e.g. with chlorine in sunlight.