Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology. 604-69-3, Name is beta-D-Glucose pentaacetate, molecular formula is , belongs to dioxoles compound. In a document, author is Rosokha, Sergiy V., COA of Formula: C16H22O11.
Spectroscopic and Electrochemical Evaluation of Salt Effects on Electron-Transfer Equilibria between Donor/Acceptor and Ion-Radical Pairs in Organic Solvents
Additions of inert tetrabutylammonium hexafluorophosphate (Bu4NPF6) to a solution of TMDO/DDQ in dichloromethane (where TMDO = 2,2,6,6-tetramethylbenzo[1,2-d, 4,5-d]bis[1,3]-dioxole, donor, and DDQ = dichlorodiyano-p-benzoquinone acceptor) is accompanied by drastic changes in the electronic spectrum which are related to the appearance of the DDQ and TMDO+ ion radicals and a decrease in the concentration of the neutral molecules and the charge transfer complex [TMDO,DDQ]. These changes point to a considerable rise (of about three orders of magnitude) in the apparent electron transfer equilibrium constant (K-ET) for this donor/acceptor pair upon increasing the electrolyte concentration from 0 to 0.5 M. Accordingly, the ion-radical fractions and K-ET values are higher in dichloromethane, at high electrolyte concentrations, than in acetonitrile (where the effect of Bu4NPF6 is less pronounced). Similar trends of the apparent equilibrium constants are observed for the tetramethyl-p-phenylenediamine/tetracynaoethylene pair. Electron-transfer equilibrium constants for both donor/acceptor dyads obtained from spectral measurements are related to those derived from the redox potentials of the reactants. The effects of media variations on the electron-transfer equilibria are discussed within the ion-pairing and ionic-activity frameworks.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 604-69-3, in my other articles. COA of Formula: C16H22O11.
Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem