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Chemistry · Glossary

What is Heating under reflux?

Definition 28.4 School Chemistry — Grades 1 to 12 · Chapter 28 — Synthesis: Yield and Purity

Heating under reflux is heating a reaction mixture in a flask topped by a vertical condenser: the vapours rise, cool in the condenser, and the liquid flows back into the flask.

Heating under reflux. Cold water enters the jacket of the condenser at the bottom and leaves at the top, so that the jacket is always full.
Heating under reflux. Cold water enters the jacket of the condenser at the bottom and leaves at the top, so that the jacket is always full.
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