Double Replacement Reactions

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Presentation transcript:

Double Replacement Reactions When 2 ionic solutions are mixed, a double replacement reaction takes place AB + CD  AD + CB A and C are + cations B and D are - anions

It will not dissolve in water Based on the DRR you can identify the precipitate(s) that is formed (use the chart) Precipitate is Insoluble It will not dissolve in water

iron III chloride (aq) + potassium hydroxide (aq) Given these reactants what will the products be? Balance the reaction Identify the precipitate Net ionic? Spectators?

FeCl3 + 3 KOH  Fe(OH)3 ↓ + 3 KCl Net ionic: Fe+3 + 3 OH-1  Fe(OH)3 iron III chloride + potassium hydroxide  iron III hydroxide + potassium chloride FeCl3 + 3 KOH  Fe(OH)3 ↓ + 3 KCl Net ionic: Fe+3 + 3 OH-1  Fe(OH)3 Spectator ions : K+1 + Cl-1

magnesium nitrate (aq) + ammonium hydroxide (aq) Products? Balance. Precipitate? Net ionic? Spectator ions?

Net ionic: Mg+2 + 2 OH-1  Mg(OH)2 Spectator ions: NH4+ & NO3-1 magnesium nitrate + ammonium hydroxide  magnesium hydroxide + ammonium nitrate Mg(NO3)2 + 2 NH4OH  Mg(OH)2↓ + 2 NH4NO3 Net ionic: Mg+2 + 2 OH-1  Mg(OH)2 Spectator ions: NH4+ & NO3-1

Sweet 16 Chemistry ION Tournament

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