Essential Chemistry for IGCSE - The Variety Of Organic Chemicals (Section 1 - No. 31)
What is the purpose of bromine water when testing for unsaturation?
To oxidize the sample.
To provide a source of hydrogen.
To indicate the presence of a double bond.
To act as a catalyst.
Explanation
Bromine water decolorizes in the presence of a double bond, indicating unsaturation.
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