Soluility Rules

Question 1

Group 1 ions (Li+, Na+, etc.)

Answer 1

Ions That Form Soluble Compounds (No Exceptions)

Question 2

ammonium (NH4 +)

Answer 2

Ions That Form Soluble Compounds (No Exceptions)

Question 3

nitrate (NO3–)

Answer 3

Ions That Form Soluble Compounds (No Exceptions)

Question 4

acetate (C2H3O2– or CH3COO–)

Answer 4

Ions That Form Soluble Compounds (No Exceptions)

Question 5

hydrogen carbonate (HCO3–)

Answer 5

Ions That Form Soluble Compounds (No Exceptions)

Question 6

chlorate (ClO3–)

Answer 6

Ions That Form Soluble Compounds (No Exceptions)

Question 7

Halides (Cl–, Br–, I–)

Answer 7

Forms Insoluble compounds when combined with Ag+, Pb2+, or Hg2 2+

Question 8

sulfates (SO4 2–)

Answer 8

Forms Insoluble compounds when combined with Ag+, Ca2+, Sr2+, Ba2+, or Pb2+

Question 9

carbonate (CO3 2–)

Answer 9

Ions That Form Insoluble Compounds* EXCEPT when combined with Group 1 ions or ammonium (NH4+)

Question 10

chromate (CrO4 2–)

Answer 10

Ions That Form Insoluble Compounds* EXCEPT when combined with Group 1 ions, Ca2+, Mg2+, or ammonium (NH4+)

Question 11

phosphate (PO4 3–)

Answer 11

Ions That Form Insoluble Compounds* EXCEPT when combined with Group 1 ions or ammonium (NH4+)

Question 12

sulfide (S2–)

Answer 12

Ions That Form Insoluble Compounds* EXCEPT when combined with Group 1 ions or ammonium (NH4+)

Question 13

hydroxide (OH–)

Answer 13

Ions That Form Insoluble Compounds* EXCEPT when combined with Group 1 ions, Ca2+, Ba2+, Sr2+, or ammonium (NH4+)