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    Chemistry A-Level

    carboxyl group

    What carboxyl group means in Chemistry A-Level, as defined for AQA, OCR.

    Definitions of carboxyl group

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    Reference: AQA

    A group in which one carbon holds both a C=O and an O-H, so the two oxygen atoms sit on the same carbon and are never bonded to each other.
    AQA · Carboxylic acids and esters (A-level only) (study guide)
    A named functional group of a carboxylic acid, recognisable from a displayed formula.
    OCR · Basic concepts of organic chemistry

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