Solubility Rules

Question 1

All group I elements and NH4+

Answer 1

soluble

Question 2

All nitrates (NO3-), Chlorates (ClO3-), Perchlorates (ClO4-), and Acetates (C2H3O2-)

Answer 2

soluble

Question 3

All halides (Cl-, Br-, I-) are soluble EXCEPT with

Answer 3

Silver (Ag+), Mercury (I) (Hg22+), and Lead (II) (Pb2+)

Question 4

All sulfates (SO42-) are soluble EXCEPT with

Answer 4

Strontium (Sr2+), Barium (Ba2+), and Lead (II) (Pb2+)

Question 5

All carbonates (CO32-), phosphates (PO43-), oxalates (C2O42-), and chromates (CrO42-) are insoluble EXCEPT with

Answer 5

Group I elements and NH4+

Question 6

All hydroxides (OH-) and oxides (O2-) are insoluble EXCEPT with

Answer 6

Group I elements, NH4+, stontrium (Sr2+), and barium (Ba2+) (Ca2+ slightly soluble)

Question 7

All sulfides (S2-) are insoluble EXCEPT with

Answer 7

Group I elements and Group II elements and NH4+