Description of experiment
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Needed compounds:
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potassium bromate : KBrO3
potassium chlorate : KClO3
silver nitrate : AgNO3
Class:
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elem=Ag,Cl,Br
precipitation
Summary:
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Silver (I) forms a precipitate with bromates, while it does not do so with
chlorates.
Description:
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Add a solution of silver nitrate to a solution of potassium chlorate: No
visible changes, no precipitate is formed and the liquid remains colorless.
Add a solution of silver nitrate to a solution of potassium bromate: A white
precipitate is formed. The precipitate is pure white, not like silver bromide,
which is off-white, pale yellow.