Manipal MET2010Chemistryp Block Elements (Group 15, 16, 17 & 18)
Ammonia is dried over
Options
- Aslaked lime
- Bcalcium chloride
- Cphosphorus pentoxide
- Dquick lime
Correct answer
D. quick lime
Step-by-step solution
Quick lime, CaO is used to dry ammonia, as with other given dehydrating agents ammonia reacts. 4 NH ₃+ CaCl ₂ CaCl ₂ 4 NH ₃4 NH ₃+2 P ₂ O ₅ 4 NH ₄ PO ₃ Ca ( OH )₂ is never used as dehydrating agent.