Identifying Ions Flashcards
1
Q
What are the 2 tests for metal ion testing
A
Flame test
Using sodium hydroxide to form coloured precipitate
2
Q
What colour will potassium go in the flame test
A
Lilac / purple
3
Q
What colour will sodium go in the flame test
A
Yellow
4
Q
What colour will lithium go in the flame test
A
Crimson
5
Q
What colour will barium go in the flame test
A
Green
6
Q
What colour will calcium go in the flame test
A
Red
7
Q
What do you do when testing for metal ions using sodium hydroxide
A
Add sodium hydroxide to the metal and a precipice will be formed, the colour of the precipitate tells you what metal ion it is
8
Q
What colour will calcium, magnesium and aluminium go in the sodium hydroxide test
A
They will all go white
