Add it to the alcohol. Place the test tube with the alcohol and filtrate in a beaker. Let it sit undisturbed for about four minutes. Do not shake it. Watch the white material come out of solution ...

This reaction can be used as a test for phenol groups. Mix several drops or a few crystals of compound to be tested in a beaker or in a 200mm test tube. Add a few drops of 1% FeCl3. As a control, add ...