O Flashcards
1
Q
Li+
A
Bright red Flame
2
Q
Na+
A
Yellow Flame
3
Q
K+
A
Lilac Flame
4
Q
Ca 2+
A
Brick Red Flame
5
Q
Ba 2+
A
Apple Green Flame
6
Q
Cu 2+ (Flame)
A
Blue-green Flame
7
Q
Added before cation tests
A
OH- (aq)
8
Q
Cu 2+ cation test
A
Blue precipitate
9
Q
Fe 2+
A
Green precipitate
10
Q
Fe 3+
A
Orange brown precipitate
11
Q
Lead (Pb2+)
A
Add Iodide ions
Get a bright yellow precipitate
12
Q
Added before anions test
A
CO3 2- to remove impurities
Add H2SO4 afterwards
Add silver nitrate (AgNO3)
13
Q
Cl-
A
White precipitate
14
Q
Br-
A
Cream precipitate
15
Q
I-
A
Yellow precipitate
16
Q
Further test for anions
A
Add ammonia (NH3)
17
Q
Agcl
A
Precipitate dissolves completely
18
Q
AgBr
A
Precipitate partially dissolves in dilute acid
completely dissolves in concentrated acid
19
Q
AgI
A
Precipitate does not dissolve in acid
20
Q
Add Ba2+ ions
A
SO4 2- gives a white precipitate of BaSO4
