Same chapter1 markDifficulty: Easy
Ammonia is dried over:
Study of Compounds: Ammonia
1 markDifficulty: Easy
Ammonia gas is dried by passing it over:
- aconcentrated sulphuric acid
- banhydrous calcium chloride
- cquicklime
- dphosphorus pentoxide
Original Khojo Papers practice question — not from a past board paper.
Answer
quicklime
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Ammonia is basic, so it cannot be dried with concentrated sulphuric acid, phosphorus pentoxide or anhydrous calcium chloride, all of which react with it. Quicklime (calcium oxide) is used instead.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Why is aqueous ammonia a weak base while sodium hydroxide is a strong base?
Study of Compounds: Ammonia
Same chapter3 marksDifficulty: Medium
Write the equation for the laboratory preparation of ammonia from ammonium chloride and state why calcium hydroxide is used.
Study of Compounds: Ammonia
Same chapter3 marksDifficulty: Medium
Describe the Haber process for the manufacture of ammonia, giving the equation and the conditions.
Study of Compounds: Ammonia
Same chapter3 marksDifficulty: Medium
State three tests by which ammonia gas can be identified.
Study of Compounds: Ammonia
Same chapter3 marksDifficulty: Medium
Why is ammonia dried over quicklime and not over concentrated sulphuric acid or phosphorus pentoxide?
Study of Compounds: Ammonia