Question

What is the temperature difference required to perform simple and fractional distillation

Answer 1

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The distillation process starts by slowly heating the mixture until it reaches the temperature of the liquid with the lower boiling point. When this happens, the liquid with the lower boiling point will turn into a vapor and leave the mixture. In order to collect it, the distillation apparatus has a length of tubing that cools the vapor until it re-condenses and drips out the other end. Once most of the first liquid has left the still, the temperature will rise quickly toward the boiling point of the second liquid, and you will know that the distillation process is complete.

Answer 2

Answer:

When the boiling points of the two liquids in the mixture are close, generally a difference of less than 40 degrees Celsius (104 degrees Fahrenheit), fractional distillation is more efficient. Fractional distillation completes several simple distillations in one apparatus.