Potassium, Diethyl Ether and Water - part of our "Berzelius Day" uploading 24 videos in 24 hours. Full video containing this reaction at: http://www.youtube.com/watch?v=z1z0AVvY9yM
NOTE FROM THE PROFESSOR: This reaction is the same as that of K with water, 2K + 2H2O → 2KOH + H2. The difference is that diethyl ether floats on the surface of the water (it's less dense) and it has a very low boiling point so it's vapour easily catches fire to form CO2 and more H2O. Once it's burning, some of the K is vapourized and gives the flame a lilac colour.
See our 24 reactions playlist as it unfolds at: http://www.youtube.com/playlist?list=PL6E4F35510525FFF7
Berzelius Day explained: http://www.youtube.com/watch?v=wDXUDq2KLM4
More chemistry at http://www.periodicvideos.com/
Follow us on Facebook at http://www.facebook.com/periodicvideos
And on Twitter at http://twitter.com/periodicvideos
From the School of Chemistry at The University of Nottingham: http://www.nottingham.ac.uk/chemistry/index.aspx
Periodic Videos films are by video journalist Brady Haran
Tagged under: fire water,fire,Potassium,Diethyl Ether,water,burning,flames
Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip
Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans
1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
* Whiteboard required for teacher-paced activities
With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.
Carry out a quickfire formative assessment to see what the whole class is thinking
Create interactive presentations to spark creativity in class
Student teams can create and share collaborative presentations from linked devices
Turn any public video into a live chat with questions and quizzes