2.46: Know the Colours Formed in Flame Tests for these Cations: Li+ is Red, Na+ is Yellow, K+ is Lilac, Ca2+ is Orange - Red, Cu2+ is Blue - Green

FLAME TEST: Method to identify Metal Cations by the colour of flame they produce

RESULTS:

CATION	COLOUR OF FLAME
Li+	Red
Na+	Yellow
K+	Lilac
Ca2+	Orange-Red
Cu2+	Blue-Green