JAMB Chemistry 1986 Question 34

Question 34

Nitrogen and its Compounds

Ammonia gas is normally dried with

  1. A.concentrated sulphuric acid
  2. B.quicklime
  3. C.anhydrous calcium chloride
  4. D.magnesium sulphate
Show the answer and explanation

Answer: B (quicklime)

Explanation

Ammonia is alkaline, so it reacts with the acid drying agent H2SO4, and it also combines with CaCl2. Quicklime (CaO), a basic drying agent, is used.