Organic chemistry · Grade 11
Oxidising ethanol
ChemAI · Worksheet
NameClassDate
Aim
Acidified dichromate turns from orange to green.
⚠ Dichromate is toxic; ethanol is flammable. Use a water bath, not a naked flame.
Before you start: what do you predict will happen? Why?
What you do
| Step | What I observed | |
|---|---|---|
| 1 | Add ethanol. | |
| 2 | Warm the tube in the water bath until the colour changes. | |
| 3 | Waft the smell carefully. |
Questions
- Write a word or symbol equation for one reaction you observed.
- Explain your most important observation using particles, ions or energy.
- Was your prediction right? What would you change to get a more reliable result?