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Double Replacement Reactions

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. Based on the DRR you can identify the precipitate (s) that is formed (use the chart) Precipitate is Insoluble

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Double Replacement Reactions

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  1. 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

  2. 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

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

  4. 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

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

  6. 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

  7. Sweet 16 ChemistryION Tournament

  8. THE END

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