organic synthesis

Question 1

What is redistilation?

Answer 1

Changing the beaker as soon as the b.p. on the thermometer changes as another substance is about to exit the condenser.

Question 2

How is a separaJng funnel used

Answer 2

1. Shake the reac:on mixture then allow to segle into a dense aqueous layer (containing the impuri:es) and a less dense organic layer.
2. Open the tap to run off the aqueous layer.