Kinetics of Silver Catalysed Oxidation of N-Methyl Acetamide by Potassium Peroxydisulphate
| Main Authors: | HAMBIR SINGH, K. S. CHAUHAN, UMESH KUMAR RATHI |
|---|---|
| Format: | Article Journal |
| Bahasa: | eng |
| Terbitan: |
, 1980
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/6364514 |
Daftar Isi:
- Chemical Laboratories, D. S. College, Aligarh-202 001, U.P., India Manuscript received 15 Jane 1978, revised 18 Marsh 1980, accepted 21 May 1980 The kinetics of silver catalysed oxidation of N-methyl acetamide by peroxydisulphate ion in aqueous medium has been investigated. The reaction is found to be first order w.r.t. S2O\(_3^{-2}\); zero order w.r.t. N-methyl acetamide but the specific rate is function of S2O\(_3^{-2}\) and CH3CONHCH3 concentrations. It decreases with an increase in S2O\(_3^{-2}\) concentration but increases with an increase in CH3CONHCH3 concentration and becomes immeasurable at high concentrations. The specific rate is linearly related to [Ag+] ion by an expression. K=3.60x 10-2+0.40x CAg+ K+ exerts a strong inhibitory effect on the rate. The temperature coefficient, energy of activation, frequency factor and entropy of activation have been calculated. The molecular ratio is found to be 2: 1. The final products oftbe system are CH3COOH, 0020 N. and 0 1 0. On the basis of these results a possible reaction mechanism has been proposed and a corresponding rate expression has been deduced.