IJIFR VOLUME 3 ISSUE 12 AUGUST 2016

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ISSN: 2347-1697 International Journal of Informative & Futuristic Research (IJIFR) Volume - 3, Issue -12, August 2016 Continuous 36 th Edition, Page No: 4578-4589 This has been formed to decrease with increasing temperature as well as acid concentration. This is indicative of coupled reaction where the intermediate has more reducing properties. Taking into account of the induction time for this autocatalysis, the 1+ log OD has redrawn for these observations which give a straight line. Figure 2a: Plots of 1+ Log O.D. against time for 2, 6 diphenyl piperidine-4-one oxidation by Mn (VII) at 55 ̊ C, I = 1.8M , [H + ] = 0.5M Fig.2b: Plots of 1+ Log O.D. against time for 3-methyl-2, 6 diphenyl piperidine-4-one oxidation by Mn (VII) at 55 ̊ C, I = 1.8M, [H + ] = 0.5M Bhoopesh Kumar Sharma, Dr. Soni Rani, Devesh Singh:: Kinetics And Mechanism Of Oxidation Of 2, 6 Diphenyl-Piperidine-4-One And 3-Methyl 2, 6 Diphenyl-Piperidine-4-One By Manganese (VII) Ion 4581
ISSN: 2347-1697 International Journal of Informative & Futuristic Research (IJIFR) Volume - 3, Issue -12, August 2016 Continuous 36 th Edition, Page No: 4578-4589 Table-2a:Value of rate constants k o × 10 4 sec -1 for the oxidation of 2, 6 diphenyl piperidine-4-one at I= 1.8 M and [Mn(VII)] = 6 × 10 -4 M Temp. ̊ C [piperidone] × 10 2 M 35 1.00 1.25 1.50 1.75 2.00 45 1.00 1.25 1.50 1.75 2.00 55 1.00 1.25 1.50 1.75 2.00 [H 2 SO 4 ] M 0.3 0.4 0.5 3.95 7.05 10.11 5.13 6.02 13.30 6.30 9.00 16.50 4.47 10.00 19.65 8.65 11.94 23.00 7.62 10.50 13.36 16.23 19.10 25.25 32.78 40.03 47.30 54.54 8.74 12.32 15.91 19.50 23.09 35.00 38.43 41.87 45.30 - 27.93 33.05 38.17 43.30 48.41 53.40 66.11 78.82 91.53 104.23 Table-2b:Value of rate constants k o × 10 4 sec -1 for the oxidation of 3-methyl- 2, 6 diphenyl piperidine-4-one at I= 1.8 M and [Mn(VII)] = 6 × 10 -4 M Temp. ̊ C [piperidone] [H 2 SO 4 ] M ×10 2 M 0.3 0.4 0.5 25 1.00 1.25 1.50 1.75 2.00 35 1.00 1.25 1.50 1.75 2.00 45 1.00 1.25 1.50 1.75 2.00 55 1.00 1.25 1.50 1.75 2.00 1.64 2.57 3.50 4.42 5.30 3.32 4.56 5.81 7.05 8.30 11.33 15.28 19.23 23.18 27.12 35.37 38.30 41.21 44.13 47.05 3.46 4.38 5.30 6.26 7.14 7.09 7.82 8.56 9.30 10.02 22.97 26.23 29.50 32.76 36.02 31.38 37.75 44.11 50.48 56.85 5.40 6.13 6.80 7.47 8.14 8.07 14.40 20.74 27.08 33.41 20.31 25.50 30.68 35.86 41.04 44.94 59.05 73.16 87.27 101.38 Bhoopesh Kumar Sharma, Dr. Soni Rani, Devesh Singh:: Kinetics And Mechanism Of Oxidation Of 2, 6 Diphenyl-Piperidine-4-One And 3-Methyl 2, 6 Diphenyl-Piperidine-4-One By Manganese (VII) Ion 4582
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IJIFR VOLUME 3 ISSUE 12 AUGUST 2016

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