Q. Ammonia is dried over
A) Slaked lime
B) Calcium chloride
C) Phosphorus pentoxide
D) Quick lime
Explanation
(d)
Quick lime CaO is used to dry ammonia as with other given dehydrating agents ammonia reacts.
4NH_{3}+CaCl_{2}⟶ CaCl_{2}. 4NH_{3}
4NH_{3}+2P_{2}O_{5}⟶4NH_{4}PO_{3}
Ca(OH)_{2} is never used as dehydrating agent.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.