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    Chemistry A-Level

    C=O near 1700 cm⁻¹

    What C=O near 1700 cm⁻¹ means in Chemistry A-Level, as defined for AQA.

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    Reference: AQA

    A strong sharp absorption near 1700 cm⁻¹, whose presence means the compound could be an aldehyde, ketone, carboxylic acid, ester, amide, or acyl chloride.
    AQA · Infrared spectroscopy (study guide)

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