This reaction can be used as a test for such aldehydes. Measure 5mL 0.1% glucose solution into a 200mm test tube. Add 5mL Benedict's reagent to the tube. Place the test tube into a beaker of boiling ...

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 ...