Solubility rules

Question 1

All soluble (cation)

Answer 1

Lithium, Sodium, Potassium, Caesium, Ammonium

Question 2

All soluble (anion)

Answer 2

Nitrate, ethanoate (CH3COO-)

Question 3

All halides are soluble except

Answer 3

Silver(I), Lead(II), Copper(I), Mercury(II)

Question 4

All sulphate ions are soluble except

Answer 4

Calcium(II), Strontium(II), Barium(II), Silver(I), Lead(II)

Question 5

All hydroxides and Sulfides (S2-) are are insoluble except

Answer 5

Group 1 ions, ammonium ion, group 2 ions (from calcium)

Question 6

All carbonates and phosphates are insoluble except

Answer 6

Group 1 ions, ammonium ion