Tests for anions

aniontesttest result
carbonate, CO32-add dilute acid, then test for carbon dioxide gaseffervescence, carbon dioxide produced
chloride, Cl
[in solution]
acidify with dilute nitric acid, then add aqueous silver nitratewhite precipitate
bromide, Br
[in solution]
acidify with dilute nitric acid, then add aqueous silver nitratecream precipitate
iodide, I
[in solution]
acidify with dilute nitric acid, then add aqueous silver nitrateyellow precipitate
nitrate, NO3
[in solution]
add aqueous sodium hydroxide, then aluminum foil; warm carefullyammonia produced
sulfate, SO42-
[in solution]
acidify with dilute nitric acid, then add aqueous silver nitratewhite precipitate
sulfite, SO32-add a small volume of acidified aqueous potassium manganate(VII)the acidified aqueous potassium manganate(VII) changes color from purple to colorless

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