what colors would you expect the following compounds to produce when burnt over flames..?

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potassium chloride
potassium nitrate
potassium sulfate

2007-03-19 14:08:16 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

potassium compounds all burn with a lilac flame.

the chloride, nitrate and sulfate ions are all colourless.

2007-03-19 14:14:52 · answer #1 · answered by Maureen 3 · 0⤊ 0⤋

Potassium gives a purplish color when viewed theough cobalt glass (to filter out the sodium). I don't think the anion makes a difference.

2007-03-19 14:16:19 · answer #2 · answered by reb1240 7 · 0⤊ 0⤋