COMEDK2019Chemistryp Block Elements (Group 15, 16, 17 & 18)
To dry ammonia gas the drying agent used is
Options
- Acon(c) H ₂ SO ₄
- BP ₂ O ₅
- Csoda lime
- Danhydrous CaCl ₂
Correct answer
C. soda lime
Step-by-step solution
NH ₃ (ammonia) gas is dried by using sodalime, because NH ₃ itself is basic in nature and only basic compound can be used to dry NH ₃ , while conc. H ₂ SO ₄ , anhy. CaCl ₂ and P ₂ O ₅ can not react with ammonia.