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JAMB Chemistry 1995 Question 31

Question 31

Nitrogen and its Compounds

The arrangement above can be used for the collection of

Diagram for this question
  1. A.sulphur (IV) oxide
  2. B.ammonia
  3. C.nitrogen
  4. D.hydrogen chloride
Show the answer and explanation

Answer: C (nitrogen)

Explanation

The gas is collected over water, which only works for a gas that is nearly insoluble in water. Nitrogen is insoluble, but SO2, NH3 and HCl dissolve readily.