Tests for negative ions

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  • Created by: KAustria
  • Created on: 07-04-14 21:13
How do you test for carbonate ions?
Add dilute hydrochloric acid to the substance to see if it fizzes. If it does and the gas produced turns lime water milky, the substance contains carbonate ions.
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How do you test for halide ions?
Add dilute nitric acid and then silver nitrate solution.
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What colour precipitate is formed when dilute nitric acid and silver nitric solution is added to chloride ions?
White
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What colour precipitate is formed when dilute nitric acid and silver nitric solution is added to bromide ions?
Cream
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What colour precipitate is formed when dilute nitric acid and silver nitric solution is added to Iodide ions?
Yellow
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How do you test for sulfate ions?
Add dilute hydrochloric acid and then barium chloride solution. If a white precipitate forms, sulfate ions are present.
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Other cards in this set

Card 2

Front

How do you test for halide ions?

Back

Add dilute nitric acid and then silver nitrate solution.

Card 3

Front

What colour precipitate is formed when dilute nitric acid and silver nitric solution is added to chloride ions?

Back

Preview of the front of card 3

Card 4

Front

What colour precipitate is formed when dilute nitric acid and silver nitric solution is added to bromide ions?

Back

Preview of the front of card 4

Card 5

Front

What colour precipitate is formed when dilute nitric acid and silver nitric solution is added to Iodide ions?

Back

Preview of the front of card 5
View more cards

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