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Questions 1 & 2 relate to the preparation of Benzoin from Benzaldehyde (thiamine as catalyst) *Predicted...

Questions 1 & 2 relate to the preparation of Benzoin from Benzaldehyde (thiamine as catalyst) *Predicted outcomes*

1. What distinguishing feature in the 13C NMR spectrum of your product would be a good indication that you have successfully synthesized benzoin from benzaldehyde? Be specific. Use numbers.

2. What distinguishing feature in the 13C NMR spectrum of your product would be a good indication that your product is contaminated with unreacted benzaldehyde? Be specific. Use numbers. Hint: the SDBS Spectral Database for Organic Compounds may have spectra for these compounds.

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