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- W2093481567 abstract "Spectrophotometric and electrochemical studies concerning the interaction of cryptand 222 with DDQ and I 2 have been performed in ethanol solution. In the case of DDQ, the results are indicative of the formation of C222 + and DDQ - through an equilibrium reaction. The results of I 2 indicate the formation of I 2 -ethanol complex and I 3 - in the absence of C222. In the presence of C222, the formation of C222I + and I 3 - through a non-equilibrium reaction is confirmed. The equilibrium constant of the redox reaction between DDQ and C222 has been calculated from the absorbance mole ratio data, using the nonlinear least square program “KINFIT”. The electrochemical reversibility of I - /I 2 couple and irreversibility of DDQ/DDQ - is indicated by amperometry. The behavior of DDQ and I 2 has been compared. A comparison with aprotic solvents has also been made. KEY WORDS : Spectrophotometry, Electrochemistry, Cryptand 222, DDQ, I 2 Bull. Chem. Soc. Ethiop. 2006 , 20(2), 183-192." @default.
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- W2093481567 date "2006-11-14" @default.
- W2093481567 modified "2023-09-30" @default.
- W2093481567 title "<b>Spectrophotometric and electrochemical studies of the interaction of cryptand 222 with DDQ and I<sub>2</sub> in ethanol solution</b>" @default.
- W2093481567 doi "https://doi.org/10.4314/bcse.v20i2.21160" @default.
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