Negative ion- Halide Test (Edexcel GCSE Chemistry): Quizzes

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8.3.4 Halides
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How do halide ions form from halogens?

By gaining an electron

What charge do halide ions have?

Negative

Which reagent is used to test for halide ions?

Aqueous silver nitrate

What forms when halide ions react with silver nitrate?

A precipitate

What colour precipitate does ClCl^- form with silver nitrate?

White

What colour precipitate does BrBr^- form with silver nitrate?

Cream

What colour precipitate does II^- form with silver nitrate?

Yellow

A yellow precipitate forms with silver nitrate. Which halide ion is present?

II^-

What is the formula of the precipitate formed when ClCl^- reacts with \ceAgNO3\ce{AgNO3}?

AgClAgCl

What is the name of the precipitate formed when BrBr^- reacts with \ceAgNO3\ce{AgNO3}?

Silver bromide

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