Metal Ion and Flame Colours Flashcards
The colours of common transition elements' ions.
1
Q
What’s the ion colour of
Copper(II)
Cu²⁺
A
Blue ion colour
2
Q
What’s the ion colour of
Iron(II)
Fe²⁺
A
Green ion colour
3
Q
What’s the ion colour of
Iron(III)
Fe³⁺
A
Red-brown ion colour
4
Q
What’s the ion colour of
Chromium(III)
Cr³⁺
A
Green ion colour
5
Q
What’s the ion colour of
Cobalt(II)
Co²⁺
A
Pink ion colour
6
Q
What’s the ion colour of
Manganate(VII)
MnO₄⁻
A
Purple ion colour
7
Q
What’s the ion colour of
Chromate(VI)
CrO₄²⁻
A
Yellow ion colour
8
Q
What’s the ion colour of
Dichromate(VI)
Cr₂O₇²⁻
A
Orange ion colour
9
Q
What’s the flame colour of
Sodium
Na⁺
A
Yellow flame colour
10
Q
What’s the flame colour of
Potassium
K⁺
A
Lilac flame colour
11
Q
What’s the flame colour of
Lithium
Li⁺
A
Crimson flame colour
12
Q
What’s the flame colour of
Copper(II)
Cu²⁺
A
Blue-green flame colour
