A salt solution gives a precipitate when it is added to a silver nitrate solution.Of the answers below, which contains the most likely anion(s) in the unknown salt?Group of answer choices{Cl-, Br-, I-}{CO32-}{SO42-}
Question
A salt solution gives a precipitate when it is added to a silver nitrate solution.Of the answers below, which contains the most likely anion(s) in the unknown salt?Group of answer choices{Cl-, Br-, I-}{CO32-}{SO42-}
Solution
The most likely anions in the unknown salt are {Cl-, Br-, I-}.
The reason for this is that silver nitrate (AgNO3) reacts with chloride (Cl-), bromide (Br-), and iodide (I-) ions to form precipitates of silver chloride (AgCl), silver bromide (AgBr), and silver iodide (AgI), respectively. These are all insoluble in water and will form a precipitate.
On the other hand, carbonate (CO32-) and sulfate (SO42-) ions do not form precipitates with silver nitrate under normal conditions.
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