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JAMB Chemistry 2014 Question 32

Question 32

Halogens

Use the diagram (preparation of chlorine) to answer this question.
In the diagram, the function of the concentrated H2SO4 is to

Diagram for this question
  1. A.purify the gas.
  2. B.dry the gas.
  3. C.liquefy the gas.
  4. D.remove odour.
Show the answer and explanation

Answer: B (dry the gas.)

Explanation

Concentrated tetraoxosulphate(VI) acid absorbs water, so the last bottle dries the chlorine.