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    Chemistry A-Level

    Bromine water test for unsaturation

    What Bromine water test for unsaturation means in Chemistry A-Level, as defined for OCR.

    Definitions of Bromine water test for unsaturation

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    Reference: OCR

    Bromine water is added to the sample and an alkene decolourises the orange-brown bromine water because the bromine reacts with the C=C bond.
    OCR · Alkenes
    Bromine water decolourises from orange to colourless, which is the standard test for a C=C bond.
    OCR · Alkenes

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