Question
The flame test for POTASSIUM (K^+) ions produces which colour? GREEN LILAC (purple) Yellowy-ORANGE Crimson (STRONG red)
Answer
3.8
(175 Votes)
Julian
Master · Tutor for 5 years
Answer
LILAC (purple)
Explanation
When potassium ions (
) are subjected to a flame, they emit a spectral line that falls within the lilac or purple part of the spectrum. This gives the flame a lilac or purple color.