A student tests two solutions, X and Y, with acidified silver nitrate. Solution X gives a white precipitate and Solution Y gives a cream precipitate. Which of the following correctly identifies the ions present?

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Question

A student tests two solutions, X and Y, with acidified silver nitrate. Solution X gives a white precipitate and Solution Y gives a cream precipitate. Which of the following correctly identifies the ions present?

Accepted Answer

X contains chloride ions; Y contains bromide ions — Silver chloride is a white precipitate and silver bromide is a cream precipitate, so X contains chloride ions and Y contains bromide ions. Silver iodide would give a yellow precipitate, not seen here.

Answer

X contains bromide ions; Y contains iodide ions

Answer

X contains chloride ions; Y contains iodide ions

Answer

X contains chloride ions; Y contains bromide ions

Answer

X contains iodide ions; Y contains chloride ions

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