Metal Ion Complexes Flashcards
1
Q
Cu2+ colour
A
Blue solution
2
Q
Cu2+ after adding OH- or NH3
A
Blue precipitate
3
Q
Cu2+ after adding excess NH3
A
Deep blue precipitate
4
Q
Cu2+ after adding excess OH-
A
No visible change
5
Q
Fe2+ colour
A
Green solution
6
Q
Cu2+ in Na2CO3
A
Green-blue precipitate
7
Q
Fe2+ with OH- or NH3
A
Green precipitate that goes brown standing in air
8
Q
Fe2+ after excess NH3
A
No visible change
9
Q
Fe2+ with excess OH-
A
No visible change
10
Q
Fe2+ in Na2CO3
A
Green precipitate
11
Q
Al3+ colour
A
Colourless solution
12
Q
Al3+ with OH- or NH3
A
White precipitate
13
Q
Al3+ with excess OH-
A
Colourless solution
14
Q
Al3+ with excess NH3
A
No visible change
15
Q
Al3+ with Na2CO3
A
White precipitate
