WARNING! This experiment is dangerous! You should NOT perform this at home. ONLY carry out this experiment, if you are a trained chemist, and you understand local safety and legal requirements, which are required to perform such experiments
- Prepare solutions of NaI and HgCl2.
- Put the flask with the solution of NaJ on a magnetic stirrer.
- Stir it to form a vortex.
- Add a small amount (about 1-2 ml) of HgCl2 to the central part of the vortex. The orange tornado will be observed.