Homework Help: Ochem

Posted by Jay on Wednesday, July 5, 2006 at 11:10pm.

What is the purpose of refluxing? Which reaction conditions are indicated with reflux? Will you apply heat? How do you know the temperature at which you should reflux?

I think it is "A reflux system is used to condense vapours escaping from the hot flask. "

Please help.

Your definition is ok but it doesn't go quite far enough. The vapors are condensed BUT the condenser is mounted in such a way (usually vertically on top of the boiling flask)that the condensed vapors return to the boiling pot to be reboiled. The other parts of the question are specific to a reaction and don't have general answers. I hope this helps.

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