Solubility of Ionic Compounds

Question 1

Is CaSO₄ soluble?

Answer 1

No

(sulfates are generally soluble, but not with CaSrBa, & Ag, Pb Hg)

Question 1

Is Ba(OH)₂ soluble?

Answer 1

Yes

(hydroxides (even though -1) are generally insoluble, except with Ba)

Question 2

Generally, is phosphate soluble?

Answer 2

No

Question 2

Is PbI₂ soluble?

Answer 2

No

(halides generally soluble except with Ag, Pb & Hg)

Question 2

Is copper(II) chloride soluble?

Answer 2

Yes

(halides generally soluble)

Question 3

Is cobalt(II) chlorate soluble?

Answer 3

Yes

-1 chlorate always soluble

Question 4

Is nickel(III) acetate soluble?

Answer 4

Yes

-1 acetate always soluble

Question 4

Is vanadium(V) sulfate soluble?

Answer 4

Yes

sulfates (even though -2) are generally soluble except with CaSrBa and Ag, Pb, & Hg

Question 5

Generally, is chlorate soluble?

Answer 5

Yes

-1 anion

Question 6

Is lithium sulfide soluble?

Answer 6

Yes

Li+ always soluble

Question 7

Generally, is nitrate soluble?

Answer 7

Yes

-1 anion

Question 7

Is strontium phosphate soluble?

Answer 7

No

Question 8

Is manganese(III) bromide soluble?

Answer 8

Yes

halides -1 so generally soluble except with Ag, Pb, Hg

Question 9

Generally, is acetate soluble?

Answer 9

Yes

-1 anion

Question 10

Which cations are always soluble?

Answer 10

Group 1 (Li⁺, Na⁺, K⁺, …) & NH₄⁺

Question 11

Is NaOH soluble?

Answer 11

Yes

Na+ always soluble

Question 11

Is nickel(II) carbonate soluble?

Answer 11

No

carbonate -2 never soluble

Question 13

Generally, is hydroxide soluble?

Answer 13

No

is -1 but is so small that is always insoluble except with Ba

Question 14

Is AgCl soluble?

Answer 14

No

halides generally soluble except with Ag, Pb, & Hg

Question 16

Generally, is chlorate soluble?

Answer 16

Yes

-1 so soluble

Question 17

Generally, is sulfite soluble?

Answer 17

No

-2 so not soluble

Question 17

Generally, is carbonate soluble?

Answer 17

No

-2

Question 17

Is Ca(OH)₂ soluble?

Answer 17

No

(hydroxides (even though -1) are generally insoluble, except with Ba)

Question 19

Is NiPO₄ soluble?

Answer 19

No

-3 phosphates always insoluble

Question 20

Is iron(III) nitrate soluble?

Answer 20

Yes

Question 21

Is strontium sulfate soluble?

Answer 21

No (sulfates are generally soluble, but not with CaSrBa, & Ag, Pb Hg)

Question 21

Is barium sulfide soluble?

Answer 21

No S is -2

Question 23

Is Mg(OH)₂ soluble?

Answer 23

No hydroxides -1 but generally insoluble except with Ba

Question 25

Generally, is sulfide soluble?

Answer 25

No -2 anion

Question 27

Is (NH₄)₃PO₄ soluble?

Answer 27

Yes, ammonium

Question 29

Generally, is sulfate soluble?

Answer 29

Yes sulfates (even though -2) are generally soluble, but not with CaSrBa, & Ag, Pb Hg

Question 31

Which cations are the exceptions to the exceptions for hydroxide and sulfate?

Answer 31

For hydroxide, just with Ba²⁺ is soluble For sulfate, with CaSrBa (Ca²⁺, Sr²⁺, Ba²⁺) or Ag, Pb, or Hg are insoluble

Question 33

Generally, is chromate soluble?

Answer 33

No -2 anion

Question 34

Is Na₂CO₃ soluble?

Answer 34

Yes Na+

Question 35

Is BaSO₄ soluble?

Answer 35

No sulfates (even though -2) are generally soluble, but not with CaSrBa, & Ag, Pb Hg

Question 36

Is Fe(OH)₃ soluble?

Answer 36

No hydroxides (even though -1) are generally insoluble

Question 37

Is zinc carbonate soluble?

Answer 37

No -2 carbonates never soluble

Question 38

Generally, are the halides soluble?

Answer 38

Yes (except with Ag⁺, Pb²⁺, and Hg₂²⁺)

Question 39

Is Hg₂Br₂ soluble?

Answer 39

No halides generally soluble except with Ag, Pb, & Hg

Question 40

Is K₂CrO₄ soluble?

Answer 40

Yes, K+ always soluble