[CHEM] Table F- Solubility Guidelines for Aqueous Solutions

Question 1

Do Group 1 ions (Na+, Li+, etc) form soluble compounds?

Answer 1

Yes

Question 2

Does ammonium (NH4+) form soluble compounds?

Answer 2

Yes

Question 3

Does nitrate (NO3-) form soluble compounds?

Answer 3

Yes

Question 4

Does acetate (C2H3O2- or CH3COO-) form soluble compounds?

Answer 4

Yes

Question 5

Does hydrogen carbonate (HCO3-) form soluble compounds?

Answer 5

Yes

Question 6

Does chlorate (ClO3-) form soluble compounds?

Answer 6

Yes

Question 7

Do halides (Cl-, Br-, I-) form soluble compounds?

Answer 7

Yes, except for when combined with Ag+, Pb+2. or Hg2+2

Question 8

Do sulfates (SO4-2) form soluble compounds?

Answer 8

Yes, except for when combined with Ag+. Ca2+, Sr2+, Ba2+, or Pb2+

Question 9

Does carbonate (CO3-2) form soluble compounds?

Answer 9

No, except for when combined with Group 1 ions or ammonium

Question 10

The general rule of exception for all ions that form insoluble compounds is:

Answer 10

They will form soluble compounds if combined with Group 1 ions or ammonium

Question 11

Does chromate (CrO4-2) form soluble compounds?

Answer 11

No, except for when combined with Group 1 ions, ammonium, Ca2+, or Mg2+

Question 12

Does phosphate (PO4-3) form soluble compounds?

Answer 12

No, except for when combined with Group 1 ions or ammonium

Question 13

Does sulfide (S-2) form soluble compounds?

Answer 13

No, except for when combined with Group 1 ions or ammonium

Question 14

Does hydroxide (OH-) form soluble compounds?

Answer 14

No, except for when combined with Group 1 ions, ammonium, Ca+2, Ba+2, or Sr+2