Jump to content

Experiment- ionic reactions


Recommended Posts

Hy!
I have a question about ionic reactions (precipitation, color change).

I need to prepare a short experiment. It must be interesting without, dangerous chemicals and without warming. It will be performed by 14-year-old students. Anyone have any idea? Is the experiment on this connection a part of ion reactions? https://melscience.com/en/articles/egyptian-night-experiment-190418/?utm_source=FBpost_en&utm_medium=EgyptianNight190418_article_en
Thank you for any information.

Link to post
Share on other sites
  • 1 month later...

Calcium chloride with carbonates of sodium, potassium or other alkali metal carbonates. Forms calcium carbonate which is calcite. It is only a white powder, but much safer.

Iodide with lead is bright yellow but lead around children is typically frowned upon.

potassium Ferrous and Ferric cyanate make a dark blue when mixed, but that is not an easy precipitation reaction to use as an introduction ionic reactions.  It is more related to oxidation states.

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.