Osmium Tetroxide Catalyzed Oxidation of Ethan...

Osmium Tetroxide Catalyzed Oxidation of Ethane-1,2 Diol By N-Bromosaccharine: A Kinetic Study

Author Name : S.K. Singh, Deepti Pandey, Shashi Sonakiya

ABSTRACT

The kinetics of oxidation of Ethane-1,2-diol by N-bromosaccharin (NBSA)in presence of osmium tetroxide in alkaline medium has been studied. The reaction follows identical kinetic being first order in each, NBSA, osmium tetroxide (OsO₄) and OH^- concentration while zero order kinetics with diol and saccharine. The reaction is OsO₄catalysed. Various thermodynamic parameters have been computed. Stoichiometric study revealed 1:1 mole ratio. On the basis of thermodynamic parameters and stoichiometry a feasible mechanism has been proposed and rate law has been derived.

Key Words: Kinetics, N-bromosaccharin, osmium tetroxide, ethane-1,2-diol, stoichiometry.