How would you isolate the organic layer that contains also the portion of unredacted aldehyde?

Answer 1

To isolate the organic layer that contains the portion of unreacted aldehyde, you would perform a liquid-liquid extraction. Here are the steps:

1. Transfer the mixture containing the organic layer and unreacted aldehyde to a separatory funnel.
2. Add a solvent that is immiscible with the organic layer (such as a strong aqueous base or acid) to the separatory funnel.
3. Shake the separatory funnel to mix the layers and allow the aldehyde to transfer from the organic layer to the aqueous layer.
4. Allow the layers to separate, with the aqueous layer containing the unreacted aldehyde and any water-soluble impurities.
5. Drain the aqueous layer out of the separatory funnel, leaving behind the organic layer containing the desired unreacted aldehyde.
6. You can then further purify the organic layer as needed.

By following these steps, you can isolate the organic layer that contains the unreacted aldehyde and separate it from the other components in the mixture.