Test tube of bromine water

Test tube of bromine water

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This image is part of the sequence Science and technology: Bromine water test for alkenes


Caption: Test tube of bromine water. A dilute solution of bromine is used to test whether a hydrocarbon is an alkene or an alkane. Alkenes are hydrocarbons that contain a carbon-carbon double bond. The number of hydrogen atoms in an alkene is double the number of carbon atoms. Alkenes can de-colourise bromine water, while alkanes cannot.

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Keywords: alkane test, alkene test, bromine, bromine water, carbon-carbon double bond, close-up, detail, double bond, no-one, nobody, school science, science education, solution, test tube, white background

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