JAMB Chemistry 2012 Question 33

Question 33

Nitrogen and its Compounds

Which of the following gases has a characteristic pungent smell, turns red litmus paper blue and forms dense white fumes with hydrogen chloride gas?

  1. A.N2
  2. B.N2O
  3. C.Cl2
  4. D.NH3
Show the answer and explanation

Answer: D (NH3)

Explanation

Ammonia is the only common alkaline gas; with HCl it forms white fumes of NH4Cl.