Aq NH3 + Transition Metal Flashcards
1
Q
Cr 3+ - With NH3
A
Green ppt
Cr (OH)2 (H20)4
2
Q
Fe 2+ - With NH3
A
Green ppt
Fe (OH)2 (H20)4
3
Q
Fe 3+ - With NH3
A
Brown ppt
Fe (OH)3 (H20)3
4
Q
Mn 2+ - With NH3
A
Pale brown ppt
Mn (OH)2 (H20)4
5
Q
Cu 2+ - With NH3
A
Blue ppt
Cu (OH)2 (H20)4
6
Q
Cr 3+ - With excess NH3
A
Purple solution
Cr (NH3)6 3+
7
Q
Fe 2+ - With excess NH3
A
No change
Green ppt
8
Q
Fe 3+ - With excess NH3
A
No change
Brown ppt
9
Q
Mn 2+ - With excess NH3
A
No change
Pale brown ppt
10
Q
Cu 2+ - With excess NH3
A
Dark blue solution
Cu (NH3)4 (H2O2) 2+
11
Q
Co 2+ - With NH3
A
Green ppt
Co (OH)2 (H2O)4
12
Q
Co 2+ - with excess NH3
A
brown solution
Co (NH3)6 2+
