Laboratory Techniques in Organic Chemistry
Laboratory Techniques in Organic Chemistry
4th Edition
ISBN: 9781464134227
Author: Jerry R. Mohrig, David Alberg, Gretchen Hofmeister, Paul F. Schatz, Christina Noring Hammond
Publisher: W. H. Freeman
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Chapter 6, Problem 1Q
Interpretation Introduction

Interpretation:

The superheating of liquid should be explained.

Concept introduction:

Many organic reactions are not spontaneous and require heat for the initiation of the chemical reaction. On the other hand, exothermic organic reactions needed the removal of the heat produced in the reaction. The removal of the heat is generally produced in the reaction is done by the use ofa cooling bath.

The liquid and solid reagents are heated by various processes but with specific laboratory equipment. Heating and cooling are used in various processes like recrystallization and distillation.

Expert Solution & Answer
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Explanation of Solution

Superheating is the phenomenon when the liquid is heated above its boiling point but does not boil because the formation of bubbles is kinetically prevented. It is a phenomenon caused by the temperature gradient in the liquid that lowers the temperature at the surface and lowers the temperature at the bottom of the liquid near the heat source.

It is mainly carried out in the vessels with a smooth surface that does not offer much opportunity for the formation of the bubbles. The superheating process can lead to loss of the product and potentially dangerous situation if it is splattered out of the container and causes burns.

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