Chemical Concepts Demonstrated: Various methods of organic analysis
Demonstration:
| Test | Observations |
|
| Phenol Test | FeCl3 is added to the following:
|
o-cresol: olive brown precipitate catechol: green precipitate salicylic acid: purple precipitate |
| 2,4-DNP Test | 2,4-DNP is added to the following:
|
acetophenone: orange formaldehyde: yellow benzaldehyde: orange mesityl oxide: red proprioaldehyde: yellow cyclohexanone: yellow |
| Jones Reagent Test | Acetone and Jones reagent are added to the following:
|
ethanol: blue-green precipitate cyclohexanol: blue-green precipitate t-butyl alcohol: orange solution (no reaction) |
| Lucas Test | Lucas reagent is added to the following:
|
ethanol: no reaction cyclohexanol: turns cloudy after three minutes t-butyl alcohol: turns cloudy with two distinct layers |
Silver Nitrate Test: -n-butyl chloride: no reaction
-t-butyl chloride: reacts rapidly to form a precipitate of AgCl