Tests for Positive and Negative Ions

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What colour does LITHIUM give?
Crimson red
1 of 14
What colour does POTASSIUM give?
Purple/ Lilac
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What colour does BARIUM give?
Green
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What colour does SODIUM give?
Yellow
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What colour does CALCIUM give?
Brick Red
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In a sodium hydroxide test, what colour precipitate will COPPER (II) make?
Blue Precipitate
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In a sodium hydroxie test, what colour precipate will IRON (II) give?
Green Precipitate
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In a sodium hydroxide test, what colour precipitate will IRON (III) give?
Brown Precipitate
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In a sodium hydroxide test, what colour precipitate will ALUMINUM, CALCIUM and MAGNESIUM form?
White Precipitate
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How do you test for CARBONATES? and what is the REACTION?
Bubble the gas produced by heating the soloution/substance into limewater, if limewater goes cloudy, carbonate is present.
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Describe a halide test.
Add the precipitate to a test tube, add dilute nitric acid and silver nitrate, if precipitate forms, halides are present
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What halide is present if there is a white precipitate?
Chloride
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What colour precipitate does iodide form?
Yellow precipitate
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What colour precipitate does bromide form?
Cream Colour
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Other cards in this set

Card 2

Front

What colour does POTASSIUM give?

Back

Purple/ Lilac

Card 3

Front

What colour does BARIUM give?

Back

Preview of the front of card 3

Card 4

Front

What colour does SODIUM give?

Back

Preview of the front of card 4

Card 5

Front

What colour does CALCIUM give?

Back

Preview of the front of card 5
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