Zobrazeno 1 - 10
of 22
pro vyhledávání: '"G. P. Panigrahi"'
Autor:
G. P. Panigrahi, D. D. Mahapatro
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 90:927-931
Autor:
Jagannath Panda, G. P. Panigrahi
Department of Chemistry, Berhampur University, Berhampur-760 007, India E-mail : ganesh_panigrahi@yahoo.com Manuscript received 22 December 2000, revised 16 March 2001, accepted 31 May 2001 Oxidation of cyclohexanone by vanadium(v) in sulfuric acid m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::986337730bc5cdf97ec916141630f9ec
Publikováno v:
Bulletin of the Chemical Society of Japan. 54:2507-2510
The oxidation of 3-aminopyridine to 3,3′-azoxypyridine by peroxomonophosphoric acid (PMPA) is a total second order reaction: first order each in peroxomonophosphoric acid and 3-aminopyridine at constant acidity. The observed pH-rate profile has bee
Autor:
D. D. Mahapatro, G. P. Panigrahi
Publikováno v:
International Journal of Chemical Kinetics. 13:85-96
The kinetics of oxidation of dimethyl, dipropyl, and diphenyl sulfides by pyridinium chloro chromate in chlorobenzene–nitrobenzene mixtures are reported. The rate data show Michaelis–Menten behavior. The oxidation process is catalyzed by the orga
Autor:
G. P. Panigrahi, Radhasyam Panda
Publikováno v:
International Journal of Chemical Kinetics. 12:491-499
The kinetics of dimethyl sulfoxide (DMSO) oxidation by peroxomonophosphoric acid (PMPA) in aqueous medium at 308 K and I = 0.4 mol/dm3 follow the rate expressions In the pH range from 0 to 2, where k1 and k2 are 5.092 × 10−1 dm3/mol sec and ≃ 0,
Autor:
G. P. Panigrahi, R. N. Nayak
Publikováno v:
Reaction Kinetics and Catalysis Letters. 21:283-287
Oxidation of sulfanilic acid to the corresponding azoxy derivative by peroxomonophosphoric acid (PMPA) has been studied in aqueous medium. The observed bell-shaped pH-rate profile has been rationalized on the basis of protonation of the amino group a
Autor:
G. P. Panigrahi, Radhasyam Panda
Publikováno v:
Bulletin of the Chemical Society of Japan. 52:3084-3087
The oxidation of benzaldehydes by peroxomonophosphoric acid has been found to proceed by(i) −d[peroxomonophosphoric acid]⁄dt∝ [benzaldehyde][peroxomonophosphoric acid][H+]xwhere x=a fraction at [H+] 0.5 M and(ii) −d[peroxomonophosphate]⁄dt
Autor:
G P Panigrahi, A. C. Pathy
Publikováno v:
Journal of Chemical Sciences. 96:301-308
The kinetics of oxidation of sodium thiosulphate by potassiumbis(tellurato) cuprate(III) in an alkaline medium has been reported. The reaction is first order in [S2O32−] but zero order in copper(III). Hydroxide ions are found to retard the oxidatio
Autor:
G. P. Panigrahi, Radhasyam Panda
Publikováno v:
Bulletin of the Chemical Society of Japan. 53:2366-2370
The kinetics of oxidation of dialkyl sulfides by peroxomonophosphate in aqueous medium at 308 K and μ=0.4 mol dm−3 follow the rate expressions (i) −d[peroxomonophosphate]/dt={k1[H2PO5−]+k2[HPO52−]}[sulfide] in the pH region 6.8–8.7 where k
Autor:
D. D. Mahapatro, G. P. Panigrahi
Publikováno v:
International Journal of Chemical Kinetics. 14:977-984
Pyridiniumchlorochromate (PCC) oxidizes aniline and substituted anilines except nitro anilines smoothly in chlorobenzene–nitrobenzene mixtures in the presence of dichloroacetic acid. The reaction has unit dependence on each of the aniline, PCC, and