Colours of ions in aqueous solution - Statistics

General Stats

Answer Stats

Ion	Formula	Answer	% Correct
Nickel(II)	Ni(2+)	Green	100%
Chromium(III)	Cr(3+)	Green	100%
Dichromate	Cr2O7(2-)	Orange	100%
Cobalt(II)	Co(2+)	Pink	100%
Chromate	CrO4(2-)	Yellow	100%
Copper(II)	Cu(2+)	Blue or green	50%
Iron(II)	Fe(2+)	Pale green	50%
Permanganate	MnO4(-)	Purple	50%
Manganese(II)	Mn(2+)	Very pale pink	50%
Iron(III)	Fe(3+)	Yellow or brown	50%

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