Solubility Guidelines & precipitation reactions Flashcards

1
Q

Precipitation reaction

A

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
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2
Q

Li+ (lithium)

A

Soluble,no exceptions

*group 1 cation

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3
Q

Na+ (sodium)

A

Soluble, no exceptions

*group 1 cation

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4
Q

K+ (potassium)

A

Soluble, no exceptions

*group 1 cation

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5
Q

Rb+ (rubidium)

A

Soluble, no exceptions

*group 1 cation

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6
Q

Cs+ (cesium)

A

Soluble, no exceptions

*group 1 cation

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7
Q

NH4+ (ammonium ion)

A

Soluble, no exceptions

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8
Q

Cl- (chlorine)

A

Soluble…
*halide
Insoluble with: Hg (mercury), Ag (silver) & Pb (lead)

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9
Q

Br- (Bromine)

A

Soluble…
*halide
Insoluble with: Hg (Mercury), Ag (silver) & Pb (lead)

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10
Q

I- (iodine)

A

Soluble…
*halide
Insoluble with: Hg (mercury), Ag (silver), Pb (lead)

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11
Q

NO3- (nitrate)

A

Soluble, no exceptions

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12
Q

ClO4- (perchlorate)

A

Soluble, no exceptions

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13
Q

CH3CO2- (acetate)

A

Soluble, no exceptions

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14
Q

SO4- (sulfate)

A

Soluble…

Insoluble with: Sr (strontium), Ba (barium), Hg (mercury) & Pb (lead)

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15
Q

CO3-2 (carbonate)

A

Insoluble…

Soluble with: group 1 cations (Li, Na, K, Rb, Cs) & ammonium ion (NH4)

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16
Q

S-2 (sulfide)

A

Insoluble…

Soluble with: group 1 cations (Li, Na, K, Rb, Cs), ammonium ion (NH4), Ca (calcium), Sr (strontium) & Ba (barium)

17
Q

PO4-3 (phosphate)

A

Insoluble…

Soluble with: group 1 cations (Li, Na, K, Rb, Cs) & ammonium ion (NH4)

18
Q

OH- (hydroxide)

A

Insoluble…

Soluble with: group 1 cations (Li, Na, K, Rb, Cs), ammonium ion (NH4), Ca (calcium), Sr (strontium) & Ba (barium)