lol Flashcards
Flame Colour of Barium Ion
Pale Green
Flame Colour of Calcium Ion
Orange-Red
Flame Colour of Magnesium Ion
No Colour
Precipitation Test for Barium Ion
Addition of sulfate ion produces a white precipitate
Precipitation Test for Calcium Ion
Addition of sulfate ion produces a white precipitate
Flame Colour of Lead Ion
Trick Question; Poisonous as a vapour
Precipitation Test for Silver Ion
Addition of chloride ion produces a white precipitate
Addition of bromide ion produces a cream precipitate
Addition of an iodide ion produces a yellow precipitate
Precipitation Test for Copper Ion
Addition of a strong base produces a blue precipitate
Flame Colour of Copper Ion
Blue-Green
Precipitation Test for Iron (II) Ion
Addition of a strong base produces a green precipitate
Precipitation Test for Iron (III) Ion
Addition of a strong base produces a brown precipitate
Sequence for testing cations
Chloride ions, sulfate ions, hydroxide/base
Precipitation Test for Chloride Ion
Addition of silver ion produces a white precipitate; decomposes in sunlight
Precipitation Test for Bromide Ion
Addition of silver ion produce a cream precipitate
Precipitation Test for Iodide Ion
Addition of silver ion produces a yellow precipitate
Precipitation Test for Hydroxide Ion
Addition of copper ion produces a blue precipitate
Addition of iron (II) ion produces a green precipitate
Addition of iron (III) ion produces a brown precipitate
Litmus - Blue
Test for Acetate Ion
Litmus - Red
Test for Carbonate Ion
Nitric acid; bubbling [limewater test]
Precipitation Test for Sulfate Ion
In acidic solution, white precipitation with barium
Precipitation Test for Phosphate Ion
In basic solution, white precipitation with barium
Sequence for testing anions
Nitric acid, barium, ammonium + barium, silver
