how to know if a reaction is a sulfate
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Testing for sulfate ions
Sulfate ions in solution, SO 4 2 -, are detected using barium chloride solution. The test solution is acidified using a few drops of dilute hydrochloric acid, and then a few drops of barium chloride solution are added. A white precipitate of barium sulfate forms if sulfate ions are present.
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Sulfate is a compound containing a sulfur atom surrounded by four oxygen atoms. The sulfate compound forms a tetrahedral arrangement with bonding. Sulfate forms a salt when converted to sulfuric acid. It can form chelates with metals.
so by all these cases you can easily confirm that a reaction is a sulfate..
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