click below
click below
Normal Size Small Size show me how
Chem-testing ions
Question | Answer |
---|---|
State the ion test for lithium ions | Flame test - crimson flame |
State the ion test for sodium ions | Flame test - yellow flame |
State the ion test for potassium ions | Flame test - lilac flame |
State the two tests for copper ions | Flame test - green flame Add sodium hydroxide - Blue precipitate |
State the two tests for calcium ions | Flame test - orange/red flame Add sodium hydroxide - white precipitate |
State the test for magnesium ions | Add sodium hydroxide - white precipitate |
State the test for aluminium ions | Add sodium hydroxide - white precipitate at first but dissolves when NaOH added in excess |
State the test for Iron(II) ions | Add sodium hydroxide - green precipitate |
State the test for Iron(III) ions | Add sodium hydroxide - brown precipitate |
State tests for carbonate ions | Add dilute acid - Bubbles of gas that turns limewater cloudy Add BaCl with HCL - Forms bubbles of gas when acid added Add silver nitrate with nitric acid - forms bubbles of gas when acid added |
State the test for sulfate ions | Add barium chloride with hydrochloric acid - Forms white ppt |
State the test for chloride ions | Add silver nitrate and nitric acid - forms white ppt |
State the test for bromide ions | Add silver nitrate and nitric acid - forms cream ppt |
State the test for iodide ions | Add silver nitrate and nitric acid - yellow ppt |