1/8
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
Describe the metal hydroxide test
Add sodium hydroxide to the solution and observe results
Does the metal hydroxide test test cations or anions?
Cations
When aluminium is added to sodium hydroxide it produces a…
White precipitate that will dissolve in excess sodium hydroxide
When calcium is added to sodium hydroxide it produces a…
White precipitate
When magnesium is added to sodium hydroxide it produces a…
White precipitate
When copper is added to sodium hydroxide it produces a…
Blue
When iron ( II ) is added to sodium hydroxide it produces a…
Green precipitate
When iron ( III ) is added to sodium hydroxide it produces a…
Brown precipitate
3 results of this test give white precipitate - how can we find the ion?
Add excess sodium hydroxide to the precipitate solution after the test, if it dissolves it is aluminium
Get a second batch of the original solution and do the flame test. Orange red = calcium