ACTIVITY SERIES of Halogens:
Polyatomic Ions
+
NH
Ammonium
F
4
2
−
BrO
Bromate
Cl
3
2
−
Cyanide
CN
Br
2
−
C H O
I
2
3
2
2
Acetate
−
(CH COO )
3
−
ClO
Perchlorate
4
ACTIVITY SERIES of Metals
−
ClO
Chlorate
3
−
Li
ClO
Chlorite
2
Rb
−
Hypochlorite
ClO
K
−
IO
Iodate
Ba
3
−
Sr
MnO
Permanganate
4
Replace hydrogen
Ca
−
NO
from cold water
Nitrate
3
Na
−
NO
Nitrite
Mg
2
Al
−
Hydroxide
OH
Mn
−
HCO
Hydrogen carbonate
Zn
3
−
Cr
HSO
Hydrogen sulfate
4
Fe
−
Replace hydrogen from steam
Thiocyanate
SCN
Cd
−
2
CO
Carbonate
Co
3
−
2
Cr O
Dichromate
Ni
2
7
Sn
−
2
CrO
Chromate
4
Pb
Replace hydrogen from acids
−
2
SO
Sulfate
[
H ]
4
2
−
2
SO
Sulfite
Sb
3
−
3
Bi
PO
Phosphate
4
Cu
React with oxygen to form oxides
Hg
Ag
Pt
Au
NCDPI Reference Tables for Chemistry (October 2008)
Page 7