Flame Test Flashcards
(7 cards)
1
Q
Flame Tests (Ions)
A
Most metal ions produce a strong colour when put into a blue (open) Bunsen burner flame. The colour of the flame can be used to identify which metal cations are present in an unknown sample
2
Q
Method
A
- Make a small loop in the end of a clean nichrome wire
- Dip the loop into concentrated hydrochloric acid and then into the sample
3
Q
Lithium, Li+
A
Crimson
4
Q
Sodium, Na+
A
Yellow
5
Q
Potassium, K+
A
Lilac
6
Q
Calcium, Ca2+
A
Brick red
7
Q
Cooper, Cu2+
A
Green