Asked by KJ
when a platinum wire dipped into an unknown solution was held over a Bunsen burner flame, an intense purple colour resulted. when 6 drops of 1M AgNO3(aq) in 6MHNO3(aq) was added to this solution, a white-coloured precipitate formed. What is the chemical formula of this unknown?
Answers
Answered by
DrBob222
Probably KCl.
The purple flame is indicative of potassium; however, my experience is it is not an intense purple flame but a light colored violet and somewhat fleeting when it appears. The AgNO3 test is indicative of chloride ion. However, both tests should be confirmed. A single test never does it.
The purple flame is indicative of potassium; however, my experience is it is not an intense purple flame but a light colored violet and somewhat fleeting when it appears. The AgNO3 test is indicative of chloride ion. However, both tests should be confirmed. A single test never does it.
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