Tests Flashcards
(11 cards)
1
Q
Flame Test - Copper
A
Green flame, Cu2+
2
Q
Flame test - Lithium
A
Crimson, Li+
3
Q
Flame Test - Sodium
A
Yellow flame - Na+
4
Q
Flame Test - Potassium
A
Lilac flame, K+
5
Q
Flame Test - Calcium
A
Orange-red flame, Ca2+
6
Q
Hydroxide Test - Calcium
A
White precipitate, Ca2+ + 2OH- -> Ca(OH)2 (s)
7
Q
Hydroxided Test - Copper(II)
A
Blue precipitate, Cu2+ + 2OH- -> Cu(OH)2 (s)
8
Q
Hydroxide Test - Iron(II)
A
Green precipitate, Fe2+ + 2OH- -> Fe(OH)2 (s)
9
Q
Hydroxide Test - Iron(III)
A
Brown Precipitate, Fe3+ + 3OH- -> Fe(OH)3 (s)
10
Q
Hydroxide Test - Aluminium
A
White at first. Then redissolves in excess NaOH to form a colourless solution
Al3+ + 3OH- -> Al(OH)3 (s)
11
Q
Hydroxide Test - Magnesium
A
White Precipitate - Mg2+ + 2OH- -> Mg(OH)2 (s)
