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    Chemistry A-Level

    Unsaturation and the C=C double bond

    What Unsaturation and the C=C double bond means in Chemistry A-Level, as defined for OCR.

    Definition of Unsaturation and the C=C double bond

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    Reference: OCR

    An alkene is a hydrocarbon that is unsaturated because it contains a C=C double bond, so it holds fewer hydrogen atoms than the corresponding alkane.
    OCR · Alkenes

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