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Carboxylic acid NMR need clarification

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Size:  37.0 KBHi, can someone tell me if I have analysed this compound correctly? So the question asks about the H NMr for this molecule with D2O added. So I said that there only 1 peak which would be a triplet peak with area of 4. This is be at 2-3 ppm. The answer says that there is no splitting, which confuses me so much...


    What has gone wrong?

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    For A Level you can assume that chemically equivalent environments do not couple.

    In reality this is not always the case, but you don't have to worry about that at this level.

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