Chem soluble & insoluble compounds

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4 Terms

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Soluble compounds contain:

•group 1 metal cations and the ammonium ion

• the halide ions

• the acetate (CH₃COO)-, bicarbonate (HCO₃)-, nitrate (NO₃)-, and chlorate ions (ClO₃)-

• the sulfate ion (SO₄)-2

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Exceptions:

  • the halides of Ag+ , (Hg2)+2 , Pb+2

  • Sulfates of Ag+ , (Ba)+2 , (Ca)+2 , (Hg2)+2 , (Pb)+2 , (Sr)+2

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Insoluble compounds contain:

  • carbonate (CO₃)-2 , chromate (CrO₄)-2 , phosphate (PO₄)-3, and sulfide (S²)-

  • hydroxide ion: OH⁻

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Exceptions:

  • compounds of these ions with group 1 metal cations or ammonium ion NH₄⁺.

  • hydroxides of group 1 metal cations and Ba2+