Topics
CISCE: Class 10
key Points: Ammonia
- Molecular Details: Ammonia (NH₃) has a molecular mass of 17 and exhibits covalent bonding with a lone pair on nitrogen.
- Occurrence: Found in small amounts in air and water; occurs in compounds like ammonium chloride and ammonium sulphate.
- Formation: Produced by bacterial decomposition of urea in decaying organic matter and urine.
- Forms of Use: Used as dry gas, liquid (under pressure), and as liquor ammonia fortis—a saturated aqueous solution with density 0.880.
- Laboratory Use: Dilute ammonia solution is widely used as a reagent in laboratories.
