Flame Tests Flashcards
1
Q
What is the method for all the flame tests ?
A
- We place a small amount of the metal onto a wire mounted in a handle
- Place end into blue Bunsen burner flame
- Colour of flame can be used to detect the metal ion present
2
Q
What colour flame will lithium produce ?
A
A crimson/ magenta
3
Q
What color will sodium produce ?
A
Yellow !
4
Q
What color will potassium produce ?
A
A lilac flame
5
Q
What color will calcium produce ?
A
Orange- red flame
6
Q
What color will copper produce ?
A
Green flame !
7
Q
What are some cons of using the flame test?
A
- color of the ions can be difficult to distinguish especially if there is a low concentration of the metal compound
- sample could contain a mixture of metal ions (masks the flame)
8
Q
What are all the different flames and colors ?
A
Lithium- magenta/ crimson
Potassium- lilac
Copper-green
Calcium- orange/ red
Sodium- yellow
9
Q
What is the rhyme for sodium, potassium, copper, calcium and lithium
A
Sodium is a minion
Potassium sounds like lullaby
Copper is green
Calcium is O/R
Lithium is an MC
