JAMB Chemistry 1988 Question 32

Question 32

Carbon and its Compounds

Carbon (II) oxide may be collected as shown in the figure because it

  1. A.is heavier than air
  2. B.is less dense than air
  3. C.is insoluble in water
  4. D.burns in oxygen to form carbon (IV) oxide.
Show the answer and explanation

Answer: C (is insoluble in water)

Explanation

The gas is collected over water, which only works for a gas that does not dissolve in water. Carbon (II) oxide is insoluble.