Solubility Guidelines & precipitation reactions Flashcards
Precipitation reaction
Soluble reactants yield an insoluble precipitate
- predict products: AB + CD ——> BC + AD
- determine solubility of products & precipitate if one is formed
- spectator ions are those that remain aqueous
Li+ (lithium)
Soluble,no exceptions
*group 1 cation
Na+ (sodium)
Soluble, no exceptions
*group 1 cation
K+ (potassium)
Soluble, no exceptions
*group 1 cation
Rb+ (rubidium)
Soluble, no exceptions
*group 1 cation
Cs+ (cesium)
Soluble, no exceptions
*group 1 cation
NH4+ (ammonium ion)
Soluble, no exceptions
Cl- (chlorine)
Soluble…
*halide
Insoluble with: Hg (mercury), Ag (silver) & Pb (lead)
Br- (Bromine)
Soluble…
*halide
Insoluble with: Hg (Mercury), Ag (silver) & Pb (lead)
I- (iodine)
Soluble…
*halide
Insoluble with: Hg (mercury), Ag (silver), Pb (lead)
NO3- (nitrate)
Soluble, no exceptions
ClO4- (perchlorate)
Soluble, no exceptions
CH3CO2- (acetate)
Soluble, no exceptions
SO4- (sulfate)
Soluble…
Insoluble with: Sr (strontium), Ba (barium), Hg (mercury) & Pb (lead)
CO3-2 (carbonate)
Insoluble…
Soluble with: group 1 cations (Li, Na, K, Rb, Cs) & ammonium ion (NH4)