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JAMB Chemistry 2010 Question 34

Question 34

Sulphur and its Compounds

In the diagram above, the purpose of the asbestos is to

Diagram for this question
  1. A.absorb impurities
  2. B.catalyze the reaction
  3. C.solidify the gas
  4. D.dry the gas
Show the answer and explanation

Answer: B (catalyze the reaction)

Explanation

The asbestos is coated with platinum, which catalyses 2SO2 + O2 → 2SO3.