Solubility Rules

Question 1

Soluble Ions Group 1 Cations (NO EXCEPTIONS)

Answer 1

Group 1 Cations:

Li+
Na+
K+
Rb+
Cs+

Question 2

Soluble Ionic Compounds ( Cl- , Br- , I- )
(WITH EXCEPTIONS)

Answer 2

Soluble UNLESS bound with these following elements:

Ag+
Hg2 2+
Pb2+

Question 3

Soluble Ionic Compounds ( F- ) With Exceptions

Answer 3

Soluble UNLESS it is a compound with group 2 metal cations which are

(Be, Mg, Ca, Sr, Ba, Ra (ALL 2+ charge)) Pb2+ , and Fe3+

Question 4

Soluble Ionic Compounds ( C2H2O2- , HCO3- , NO3- , ClO3- ) NO EXCEPTIONS

Answer 4

( C2H2O2- , HCO3- , NO3- , ClO3- )

Question 5

Soluble Ionic Compounds SO4 2-

Answer 5

SOLUBLE UNLESS compound with

Ag+
Ba 2+
Ca 2+
Hg2 2+
Pb 2+
Sr 2+

Question 6

INSOLUBLE Ionic Compounds
( CO3 2- , CrO4 2- , PO4 3- , S 2- )

Answer 6

Insoluble UNLESS compounded with group 1 cations and NH4 +

Question 7

INSOLUBLE Ionic Compounds ( OH- )

Answer 7

Insoluble unless compounded with group 1 cations and Ba 2+