Hydrogen that are diastereotopic will show different chemical signals in the proton NMR.

Question

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Diastereotopic hydrogens are hydrogens that are chemically nonequivalent due to their differing spatial relationships to other atoms in a molecule. These hydrogens will exhibit different chemical shifts in proton NMR because they experience different local magnetic fields. Therefore, they will appear as separate peaks in the NMR spectrum.

Hydrogen That Are Diastereotopic Will Show Different Chemical Signals in the Proton