Testing For Negative Ions Flashcards
When hydrochloric acid is added, if there is no fizz and there is a white precipitate when BaCl2 (aq) is added, what ion is present?
So4 2-
When doing a flame test, what positive ion is present if the flame turns
RED
Li+ (lithium)
When doing a flame test, what positive ion is present if the flame turns
ORANGE/YELLOW
Na+ (sodium)
When doing a flame test, what positive ion is present if the flame turns
PURPLE
K (potassium)
When doing a flame test, what positive ion is present if the flame turns
ORANGE/RED
Ca2+ (calcium)
When doing a flame test, what positive ion is present if the flame turns
GREEN
Ba2+
When doing a flame test, what METAL ion is present if the flame turns
no flame colour
No ion detected
When doing a flame test, what METAL ion is present if the flame turns
A TRACE OF YELLOW
Na+ (impure)
When doing a flame test, what METAL ion is present if the flame turns
BRIGHT YELLOW
Na+
When doing a flame test, what METAL ion is present if the flame turns
BRIGHT RED
Li+ (lithium)
When doing a flame test, what METAL ion is present if the flame turns
BRICK RED
Ca2+ (calcium)
When doing a flame test, what METAL ion is present if the flame turns
GREEN
Ba2+
When doing a flame test, what METAL ion is present if the flame turns
LILAC
K+ (potassium)
If you add hydrochloric acid to something and it fizzes, and turns milky when lime water is added, what ion is present?
CO3-
