Precipitation equation

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Presentation transcript:

Precipitation equation Chemistry 2.2 Identify Ions AS 91162 Ionic Equations Cations ion Precipitation equation precipitate Complex ion equation NH4+ No equation No ppt Na+ Mg+ Mg2+(aq) + 2OH- (aq) → Mg(OH)2(ppt) Mg(OH)2(ppt) Ag+ New Ag+(aq) + OH-(aq) → AgOH(ppt) Ag+(aq) + OH-(aq) → AgOH (ppt) AgOH(ppt) Ag+(aq) + 2NH3(aq) → [Ag(NH3)2]+(aq) Fe2+ Fe2+(aq) + 2OH-(aq) → Fe(OH)2(ppt) Fe(OH)2(ppt) Fe3+ Fe3+(aq) + 3OH-(aq) → Fe(OH)3(ppt) Fe(OH)3(ppt) Fe3+(aq) + SCN-(aq) → [FeSCN]2+(aq) Cu2+ new Cu2+(aq) + 2OH-(aq) → Cu(OH)2(ppt) Cu(OH)2(ppt) Cu2+(aq) + 4NH3(aq) → [Cu(NH3)4]2+(aq) Al3+ Al3+(aq) + 3OH-(aq) → Al(OH)3(ppt) Al(OH)3(ppt) Al3+(aq) + 4OH-(aq) → [Al(OH)4]-(aq) Pb2+ Pb2+(aq) + 2OH-(aq) → Pb(OH)2(ppt) Pb2+(aq) + SO42-(aq) → PbSO4(ppt) Pb(OH)2(ppt) PbSO4(ppt) Pb2+(aq) + 4OH-(aq) → [Pb(OH)4]2-(aq) Zn2+ Zn2+(aq) + 2OH-(aq) → Zn(OH)2(ppt) Zn(OH)2(ppt) Zn2+(aq) + 4 OH(aq)  [Zn(OH)4]2(aq) Zn2+(aq) + 4NH3(aq) → [Zn(NH3)4]2+(aq Ba2+ Ba2+(aq) + 2OH-(aq) → Ba(OH)2(ppt) Ba2+(aq) + SO42-(aq) → BaSO4(ppt) Ba(OH)2(ppt) BaSO4(ppt)

Precipitation equation Chemistry 2.2 Identify Ions AS 91162 Ionic Equations Anions ion Precipitation equation precipitate Complex ion equation CO32- No equation No ppt Cl- Ag+(aq) + Cl-(aq) → AgCl(ppt) AgCl(ppt) Ag+(aq) + 2NH3(aq) → [Ag(NH3)2]+(aq) I- Ag+(aq) + l-(aq) → AgI(ppt) AgI(ppt) SO42- Ba+(aq) + SO42-(aq) → BaSO4(ppt) BaSO4(ppt) NO3- OH-

Precipitation equation Cations ion Precipitation equation precipitate Complex ion equation NH4+ Na+ Mg+ Ag+ Fe2+ Fe3+ Cu2+ Al3+ Pb2+ Zn2+ Ba2+

Precipitation equation Anions ion Precipitation equation precipitate Complex ion equation CO32- Cl- I- SO42- NO3- OH-