Question 34
Nitrogen and its CompoundsAmmonia gas is normally dried with
- A.concentrated sulphuric acid
- B.quicklime
- C.anhydrous calcium chloride
- 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.