Studied by 10 people
CrO₄²⁻
yellow
chromate ion
yellow
Cr₂O₇²⁻
orange
dichromate ion
orange
Mn²⁺
very pale pink/colourless
manganese(II) ion
very pale pink/colourless
Fe²⁺
pale green
iron(II) ion
pale green
Fe³⁺
yellow
iron(III) ion
yellow
Co²⁺
pink
cobalt(II) ion
pink
Cu²⁺
blue
copper(II) ion
blue
Ni²⁺
green
nickel(II) ion
green
MnO₄⁻
purple
permanganate ion
purple
Cr³⁺
green
chromium(III)
green
iron(II)* chloride
pale green
copper(II)* sulphate
blue
cobalt(II)* chloride
pink
potassium dichromate*
orange
potassium permanganate*
purple
iron(III)* nitrate
yellow
sodium chloride
colourless
magnesium hydroxide
colourless
chromium(III)* nitrate
green
magnesium hydrogencarbonate
colourless
hexacyanoferrate ion
blue
Fe(CN)₆³⁻
blue
Note 
Flashcard (22)