Parası kalmadığı için otobüse binemiyordur ailesi porno izle ona daha yeni para gönderdiği için tekrar porno istemeye utanınca mecburen otostop çekmek için youporn çantasını alarak yol kenarına gelir etekli porno liseli türk kız yol kenarında dururken yanına yaklaşan porno kibar bir gencin onu gideceği yere kadar bırakmak porno izle istemesine çok mutlu olur arabaya bindiklerinde gideceği yer ile porno arabayı kullanan adamın gittiği yer arasında çok mesafe sex izle farkı olduğunu anlayan türk kız bu yaptığı porno indir iyilik karşısında arabada ona memelerini açar porno sapıklaşan adam yol kenarındaki hotelde durarak porno izle üniversiteli otostop çeken türk kızına odada sakso çektirip sikerKinetic Study of Mono-N-Ethyl-O-Toluidine Phosphate in Buffer Medium| Abstract

44 7460 854 031

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Abstract

Kinetic Study of Mono-N-Ethyl-O-Toluidine Phosphate in Buffer Medium

Author(s): Homeshwari Yadav, Mithilesh Kumari Gupta and S. A. Bhoite

The aim of present work is to study the hydrolytic reactions of mono-N-ethyl-o-toluidine phosphate in buffer medium at 50 ± 0.5o C in the range of pH 0.00 to 7.80. The rate coefficients were determined from the rate of appearance of inorganic phosphate, spectrophotometrically by Allen’s modified method. Pseudo first order rate coefficients were obtained. The rate of reaction increases with increase in pH upto 4.00. The maximum value at pH 4.00 is due to hydrolysis via mononegative and neutral species. After pH 4.00 the rate of reaction decreases due to dissociation of mononegative species in to dinegative species. The nature of dinegative species have been found to be inert. The theoretical rate determined from specific rate and fractions of the neutral species agree closely with the experimental rates. Bond fission and bimolecular nature of hydrolysis have been supported by Arrhenius parameters and study of solvent effect. The hydrolysis of monoester involves P-N bond fission, which is strengthened by isokinetic relationship


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