Zobrazeno 1 - 7
of 7
pro vyhledávání: '"D. E. Peter Hughes"'
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :810-813
An extensive range of second order rate constants for the addition of hydrogen halides to alkenes in 98% v/v ethanoic acid (acetic acid)–water have been obtained by conductivity measurements. The rate constants are in the expected order of HF < HCl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dfcd7cbcc55ed664d9c0281d61647c3
https://doi.org/10.1039/b108199n
https://doi.org/10.1039/b108199n
Publikováno v:
Journal of Chemical Research. 35:675-677
The Tollens test for aldehydes has been used for over 100 years but no reason has been given for adding sodium hydroxide to the silver nitrate before the solution is cleared with ammonia. In this paper, a mechanism is proposed which explains why the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::756381a4cc146dac734c84b26e26a8b2
https://doi.org/10.3184/174751911x13206824040536
https://doi.org/10.3184/174751911x13206824040536
Publikováno v:
Journal of Chemical Research. 35:361-363
By conductivity measurements, it has been shown that HCl, HBr and HI undergo addition to propanone and propanal to give gem-halogenohydrins. Chlorohydrins have been detected when HCl combined with aldehydes that do not undergo keto-enol tautomerism a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db3beac80769aa9aeb08572ed9f07a17
https://doi.org/10.3184/174751911x13088402534637
https://doi.org/10.3184/174751911x13088402534637
Autor:
C.A. Olivia Prankerd Smith, S. Rahimah Abdul Halim, D. E. Peter Hughes, Alexandra J.N. Hughes, Gilly M. French
Publikováno v:
Journal of Chemical Research. 2009:188-190
The second-order rate constants for the oxidation of maleic ( Z-butenedioc) and fumaric ( E-butenedioc) acid derivatives by potassium permanganate at pH 13 were determined. These constants varied by a factor of 104. The results suggested that the rat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9750e61251c0ed0b9a4df7dc0d7f88b5
https://doi.org/10.3184/030823409x424867
https://doi.org/10.3184/030823409x424867
Publikováno v:
Journal of Chemical Research. 2003:635-637
Vicinal diketones were oxidised, at room temperature, to carboxylic acids by manganese(III) fluoride with 90% yield. Investigation of the kinetics suggested that the reaction proceeded via a cyclic intermediate.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::477331586d08b23e35a96e68571fab1a
https://doi.org/10.3184/030823403322656229
https://doi.org/10.3184/030823403322656229
Publikováno v:
Journal of Chemical Education. 87:848-849
Kinetic study on the hydrolysis of diphenylbromomethane does not provide clear-cut evidence for the mechanism of the reaction. The reduction in the rate of the reaction by added bromide ions suggested that the reaction took place by a SN1 mechanism.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b127c84ecaf3137bec352e5d908d426f
https://doi.org/10.1021/ed100264b
https://doi.org/10.1021/ed100264b
Publikováno v:
Journal of Chemical Education. 85:1129
We describe the construction of a simple solution calorimeter, using a miniature bead thermistor as a temperature-sensing element. This has a response time of a few seconds and made it possible to carry out a thermometric reaction in under a minute,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75cfe850c20c2249a812878539cb8ae1
https://doi.org/10.1021/ed085p1129
https://doi.org/10.1021/ed085p1129