Question

If you found a single peak around 10ppm in your proton NMR, that would mean a....

If you found a single peak around 10ppm in your proton NMR, that would mean

a.

The product still have some Vanillin/ Salicylaldehyde in it.
b.

The product still have some p-Toluidine in it.
c.

The reaction didn’t happen.
d.

a and b
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