Solubility Rules

Question 0

Acetates (C2H3O2-)

Answer 0

All are soluble

Question 1

Nitrates (NO3-)

Answer 1

All are soluble

Question 2

Chlorates (ClO3-)

Answer 2

All are soluble

Question 3

Chlorides (Cl-)

Answer 3

All are soluble but with exceptions **

Question 4

Exceptions to Cl- solubility

Answer 4

AgCl Hg2Cl2 and PbCl2 are insoluble (silver 1, mercury 1 and lead 2)

Question 5

Bromides (Br-)

Answer 5

Are all soluble with exceptions***

Question 6

Exceptions to Br- solubility

Answer 6

AgBr, PbBr2 and HgBr2 are insoluble (silver 1, lead 2 and mercury 2)

Question 7

Iodide (I-)

Answer 7

All are soluble with exceptions**

Question 8

Exceptions to Iodide solubility

Answer 8

AgI, Hg2I2, PbI2 and HgI2 are insoluble (silver 2, mercury 1, lead 2 and mercury 2)

Question 9

Sulfates (SO4 2-)

Answer 9

All Sulfates are soluble with exceptions***

Question 10

Sulfate solubility exceptions

Answer 10

CaSO4, SrSO4, BaSO4, PbSO4, Hg2SO4 and Ag2SO4 are insoluble (calcium, strontium, barium, lead 2, mercury 1 and silver 1)

Question 11

Alkali metal cations (1A and NH4+)

Answer 11

All are soluble

Question 12

Sulfides (S 2-)

Answer 12

All Sulfides are insoluble with exceptions **

Question 13

Sulfides solubility exceptions

Answer 13

1A and 2A elements and (NH4)2S are soluble

Question 14

Carbonates (CO3 2-)

Answer 14

All are insoluble except 1A elements and NH4+

Question 15

Sulfites (SO3 2-)

Answer 15

All are insoluble except 1A elements and NH4+

Question 16

Phosphates (PO4 3-)

Answer 16

All are insoluble except 1A elements and NH4+

Question 17

Hydroxides (OH-)

Answer 17

All are insoluble with exceptions***

Question 18

Hydroxides solubility exceptions

Answer 18

1A elements &

Ba(OH)2, Sr(OH)2 and Ca(OH)2 (strong bases) are all soluble

Question 19

Chromates (CrO4 2-)

Answer 19

All are insoluble with exceptions ***

Question 20

Exceptions to Chromates insolubility

Answer 20

1A elements, NH4+, CaCrO4 and SrCrO4 are all soluble (calcium and strontium 2)

Question 21

Strong bases

Answer 21

1A and heavy 2A hydroxides

Question 22

Strong acids

Answer 22

2ClOs (ClO3 & ClO4) SO4 NO3 Br Cl & I

Question 23

3 things that readily decompose when formed as products

Answer 23

NH4OH —-> H2O & NH3
H2SO3 —-> H2O & SO2
H2CO3 —-> H2O & CO2

Question 24

Metallic oxide + nonmetallic oxide

Answer 24

Yields salt

Question 25

Metallic oxide and water

Answer 25

Yields base

Question 26

Nonmetallic oxide and water

Answer 26

Yields acid

Question 27

Metallic chlorates when heated

Answer 27

Yields metallic chlorides and O2

Question 28

Metallic carbonates

Answer 28

Yields metallic oxides and CO2

Question 29

Neutralization rxn

Answer 29

Acid + base —> Salt + H2O

Question 30

To yield a reaction you must form..

Answer 30

Gas, liquid, solid or weak electrolyte (weak acid or base)