Preparation of p-benzoquinone (benzoquinone; quinone)
Preparation of p-benzoquinone (benzoquinone; quinone) Benzoquinone: Quinone usually is prepared by the oxidation of aniline in acid solution with sodium dichromate. On a laboratory scale the yield is only about 35% and the process is somewhat lengthy. A rapid method of preparing pure quinone consists in oxidizing hydroquinone with manganese dioxide in an acid medium and … Read more