Tests for Cations Flashcards
0
Q
Sodium - Na+
A
Golden-yellow in flame test
1
Q
Lithium - Li+
A
Crimson-red in flame test
2
Q
Potassium - K+
A
Lilac in flame test
3
Q
Calcium - Ca2+
A
Brick-red in flame test
4
Q
Copper(II) - Cu2+
A
Blue precipitate formed when sodium hydroxide is added
5
Q
Iron(II) - Fe2+
A
Green precipitate formed when sodium hydroxide is added
6
Q
Iron(III) - Fe3+
A
Red-brown precipitate formed when sodium hydroxide is added
7
Q
Ammonium - NH4+
A
Gas released when sodium hydroxide is added (ammonia) turns damp red litmus paper blue
