Flame tests to identify metal cations

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6 Terms

1
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Red

-Heat up the wire

-Dip the wire in concentrated HCL

-Dip the wire with lithium(Li+)

-Hold sample in the edge of a hot flame

what is the colour when lithium present

2
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Yellow

-Heat up the wire

-Dip the wire in concentrated HCL

-Dip the wire with sodium(Na+)

-Hold sample in the edge of a hot flame

what is the colour when sodium present

3
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Lilac

-Heat up the wire

-Dip the wire in concentrated HCL

-Dip the wire with potassium(K+)

-Hold sample in the edge of a hot flame

what is the colour when potassium present

4
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Orange-red

-Heat up the wire

-Dip the wire in concentrated HCL

-Dip the wire with calcium(Ca2+)

-Hold sample in the edge of a hot flame

what is the colour when calcium present

5
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Light green

-Heat up the wire

-Dip the wire in concentrated HCL

-Dip the wire with barium(2+)

-Hold sample in the edge of a hot flame

what is the colour barium present

6
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Blue-green

-Heat up the wire

-Dip the wire in concentrated HCL

-Dip the wire with copper(II)(Cu2+)

-Hold sample in the edge of a hot flame

what is the colour when copper(II) present