ORGANIC CHEMISTRY Chapter 21 o Oxidation of hydroquinone produces p-benzoquinone o Oxidant: Na2 Cr2O,(KSO3)2NO--Fremy's salt (potassium nitrosodisulfonate) OH 2e +2H+ +2e O Hydroquinone p-Benzoquinone o This reaction is reversible; p-benzoquinone is easily reduced by mild reducing agents to hydroquinone SnCh, H2O p-Benzoquinone Hydroquinone (KSO3)NO Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 21 Oxidation of hydroquinone produces p-benzoquinone. Oxidant: Na2Cr2O7, (KSO3)2NO— Fremy’s salt (potassium nitrosodisulfonate) OH OH 2e- +2e￾O O + 2H+ Hydroquinone p-Benzoquinone This reaction is reversible; p-benzoquinone is easily reduced by mild reducing agents to hydroquinone. p-Benzoquinone Hydroquinone SnCl2, H2O (KSO3)2NO