Chemistry C3 Identifying positive ions
- Created by: Dominic Hayward
- Created on: 12-05-13 14:37
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- Unknown Positive Compounds
- Unknown solution-add sodium hydroxide
- White precipiate (Al,Mg,Ca,Pb)
- Dissolves in excess sodium hydroxide solution (Al,Pb)
- Insoluble in excess sodium hydroxide solution (Mg,Ca)
- Distinguish by flame test
- Coloured precipitate (Cu,Fe2+,Fe3+,K)
- Reddish brown precipitate Fe3+
- Light blue precipitate Cu
- Yellow precipitate K
- Light green precipitate which slowly turns brown Fe2+
- White precipiate (Al,Mg,Ca,Pb)
- Unknown solution-add sodium hydroxide
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