Chemistry Sobulity Rules

Are compounds with Group 1A(1) ions (Li⁺, Na⁺, K⁺, etc.) generally soluble or insoluble?

Soluble

What are the insoluble exceptions for Group 1A(1) ions?

None

Are ammonium (NH₄⁺) compounds generally soluble or insoluble?

Soluble

What are the insoluble exceptions for ammonium (NH₄⁺)?

None

Are nitrates (NO₃⁻) generally soluble or insoluble?

Soluble

What are the insoluble exceptions for nitrates (NO₃⁻)?

None

Are acetates (CH₃COO⁻ or C₂H₃O₂⁻) generally soluble or insoluble?

Soluble

What are the insoluble exceptions for acetates?

None

Are perchlorates (ClO₄⁻) generally soluble or insoluble?

Soluble

What are the insoluble exceptions for perchlorates?

None

Are chlorides (Cl⁻), bromides (Br⁻), and iodides (I⁻) generally soluble or insoluble?

Soluble

What are the 4 insoluble exceptions for chlorides, bromides, and iodides?

Ag⁺, Pb²⁺, Cu⁺, and Hg₂²⁺

Are fluorides (F⁻) generally soluble or insoluble?

Soluble

What are the insoluble exceptions for fluorides (F⁻)?

Pb²⁺ (forming PbF₂) and Group 2A(2) ions

Are sulfates (SO₄²⁻) generally soluble or insoluble?

Soluble

What are the 5 insoluble exceptions for sulfates (SO₄²⁻)?

Ca²⁺, Sr²⁺, Ba²⁺, Ag⁺, and Pb²⁺

Are metal hydroxides generally soluble or insoluble?

Insoluble

What are the soluble exceptions for metal hydroxides?

Group 1A(1) ions, Ca²⁺, Sr²⁺, and Ba²⁺

Are carbonates (CO₃²⁻) generally soluble or insoluble?

Insoluble

What are the soluble exceptions for carbonates (CO₃²⁻)?

Group 1A(1) ions and ammonium (NH₄⁺)

Are phosphates (PO₄³⁻) generally soluble or insoluble?

Insoluble

What are the soluble exceptions for phosphates (PO₄³⁻)?

Group 1A(1) ions and ammonium (NH₄⁺)

Are sulfides generally soluble or insoluble?

Insoluble

What are the soluble exceptions for sulfides?

Group 1A(1) ions, Group 2A(2) ions, and ammonium (NH₄⁺)