Metal ion-Flame Tests Flashcards
1
Q
Why do you dip a nichrome wire loop in hydrochloric acid and heat it in the blue flame?
A
To clean it and avoid contamination, which is important since flame tests only work if one ion is present
2
Q
Where do the metal ions come from?
A
Metal compounds
3
Q
The flame turns crimson, what metal ion is present?
A
Lithium, Li+
4
Q
Green
A
Copper, Cu2+
5
Q
Orange-red
A
Calcium,Ca2+
6
Q
Yellow
A
Sodium
7
Q
Lilac
A
Purple
