solubility rules

Question 1

Soluble Compounds

Answer 1

1) Compounds containing alkali metal ions (Li⁺, Na⁺, K⁺, Rb⁺, Cs⁺) and the ammonium ion (NH₄⁺)
2) Nitrates (NO₃^-), bicarbonates (HCO₃^-) and chlorates (ClO₃^-)
3) Halides (Cl^-, Br^-, I^-₎

• Insoluble Exceptions
• Halides of Ag⁺, Hg₂²⁺and Pb²⁺

4) Sulfates (SO₄^-)

• Insoluble Exceptions
• Sulfates of Ag⁺, Ca^2+, Sr²⁺, Ba²⁺, Hg₂²⁺ and Pb²⁺

Question 2

Insoluble Exceptions

Answer 2

Halides of Ag⁺, Hg₂²⁺, and Pb⁺

Sulfates of Ag⁺, Ca²⁺, Sr²⁺, Ba²⁺, Hg₂²⁺ and Pb²⁺

Question 3

Insoluble compounds

Answer 3

1) Carbonates (CO₃^2-), phosphates (PO₄^3-), chromates (CrO₄^2-) and sulfides (S^2-).

• Soluble exceptions
  
  • Compounds containing alkali metal ions and the ammonium ion NH4+

2) Hydroxides (OH^-)

• Soluble exceptions
• Compounds containing alkali metal ions and the Ba2+ ion.

Question 4

Soluble Exceptions

Answer 4

Compounds containing alkali metal ions and the ammonium ion NH₄⁺

Compounds containing alkali metal ions and the Ba²⁺ ion.