Question

Two unlabelled bottles containing clear, colourless liquids are found in the organic section of the chemical storage room. Describe the chemical test that could be conducted in order to determine whether the two substances are unsaturated or saturated.

Answer 1

The very first step you should do is to bromine water to each of them. Then you can recognize the unsaturated compound, because as you know it will  decolourize during adding bromine water, so we can make a conclusion that it will undergo as an addition reaction. Hope you will agree with me and fing this answer helpful for you. Regards!