Colour of Ions

Colour of Ions

Salt or metal oxide
Solid
Aqueous solution
Salt of Sodium, Calcium, Magnesium, Aluminium, zinc, Lead, ammonium
 White
 Colourless
Salt of Chloride, sulphate, nitrate, carbonate
 White
 Colourless
Salt of Copper(II).-
Copper(II) Carbonate
Green
-
Copper(II) sulphate, Copper(II) nitrate, Copper(II) chloride
Blue
Blue
Copper(II) oxide
Black
-
Salt of Iron (II):
Iron(II) sulphate; Iron(II) nitrate; Iron(ID chloride
Green
Green
Salt of  Iron (III):
Iron(III) sulphate; Iron(III) nitrate; Iron(III) chloride
Brown
Brown
Zink oxide
Yellow when it is hot and white when it is cold.
-
Lead(II) oxide-
Brown when it is hot and yellow when it is cold.
-
Magnesium oxide, Aluminium oxide
White
Insoluble
Potassium oxide, Sodium oxide, Calcium oxide
White
Colourless

Iron (II) ion

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