Add a few drops of bromine water to the sample and shake. If the bromine decolorizes, an alkene is present. If not, no alkene is present.
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Test for haloalkanes
Add aqueous sodium hydroxide to the sample and heat.
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Test for aldehydes
Add Tollen’s reagent to the sample and heat. A silver mirror indicates the presence of an aldehyde. Add Fehling’s solution to the sample and heat. A brick-red precipitate indicates the presence of an aldehyde.
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Test for carboxylic acids
Add sodium carbonate solution to the sample. If effervescence is seen, and the gas produced turns limewater milky, a carboxylic acid is present.
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Test for acyl chlorides
Add water to the sample slowly. If white misty fumes are given off, an acyl chloride is present.
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Test for amines
Add universal indicator to the sample. If it turns blue/purple an amine is present. It will also have a fishy smell.
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Other cards in this set
Card 2
Front
Test for haloalkanes
Back
Add aqueous sodium hydroxide to the sample and heat.
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