Solubility of ionic compounds in water

Question 1

Sodium ion (Na+)

Answer 1

All compounds soluble

Question 2

Potassium ion (K+)

Answer 2

All compounds soluble

Question 3

Ammonium ion (NH4+)

Answer 3

All compounds soluble

Question 4

Nitrate ion (NO3-)

Answer 4

All compounds soluble

Question 5

Ethanate ion (CH3COO-)

Answer 5

All compounds soluble

Question 6

Hydrogencarbonate ion (HCO3-)

Answer 6

All compounds soluble

Question 7

Chloride ion (Cl-)

Answer 7

Most soluble
Insoluble: Have Silver Ag+ / Lead(II) Pb²+

Question 8

Bromide ion (Br-)

Answer 8

Most soluble
Insoluble: Have Silver Ag+ / Lead(II) Pb²+

Question 9

Iodide ion (I-)

Answer 9

Most soluble
Insoluble: Have Silver ion Ag+ / Lead(II) ion Pb²+

Question 10

Sulphate ion (SO4²-)

Answer 10

Most soluble
Insoluble: Have Lead Pb²+ / Calcium Ca²+ / Barium Ba²+

Question 11

Carbonate ion (CO3²-)

Answer 11

Most insoluble
Soluble: Sodium Na+ / Potassium K+ / Ammonium NH4+

Question 12

Sulphite (SO3²-)

Answer 12

Most insoluble
Soluble: Sodium Na+ / Potassium K+ / Ammonium NH4+

Question 13

Phosphate (PO4³-)

Answer 13

Most insoluble
Soluble: Sodium Na+ / Potassium K+ / Ammonium NH4+

Question 14

Hydroxide (OH-)

Answer 14

Most insoluble
Sodium Na+ / Potassium K+ / Ammonium NH4+ / Calcium Ca²+ / Barium Ba²+

Question 15

Oxide (O²-)

Answer 15

Most insoluble
Sodium Na+ / Potassium K+ / Ammonium NH4+ / Calcium Ca²+ / Barium Ba²+

Question 16

Sulphide S²-

Answer 16

Most insoluble
Soluble - Sodium Na+ / Potassium K+ / Ammonium NH4+