Non-metal Ions Flashcards
Chloride
Add dilute nitric acid then silver nitrate solution
White precipitate (silver chloride) formed that slowly turns purple in sunlight
Bromide
Add dilute nitric acid then silver nitrate solution
Cream precipitate (silver bromide) formed
Sulphate
Add dilute hydrochloric acid then barium chloride
White precipitate (barium sulphate) formed
Carbonate
Add dilute hydrochloric acid then pass the gas through limewater
White precipitate (calcium carbonate) formed that turns limewater milky white
Nitrate
Warmed with sodium hydroxide solution and aluminium powder
Gas given off (ammonia) that turns moist red litmus paper blue
Ammonium
Warmed with sodium hydroxide solution
Gas given off (ammonia) that turns moist red litmus paper blue