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How does the molecule below have only three hydrogen environments? Should it not have 5 different hydrogen environments according to the labelled diagram?

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  • $\begingroup$ See also: Phenyl group in proton NMR. $\endgroup$
    – andselisk ♦
    Commented May 17, 2022 at 8:36
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    $\begingroup$ You are correct that there are 5 different hydrogen environments in phenylacetic acid. But whether or not the aromatic hydrogens are resolvable at some particular magnetic field is a different issue. The lower the field; the lower the chances. $\endgroup$
    – user55119
    Commented May 17, 2022 at 13:02

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