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The reaction between acetylene and phenylmagne-sium bromide in diethyl ether was investigated. Both the consumption of acetylene and the evolution of benzene during the reaction were registered. Kinetic measure-ments were also carried out in the presence of small additions of triethylamine . It was found that under constant acetylene concentra-tion in the solution, the evolution of benzene during the reaction was a first-order process. The consumption of acetylene appeared to be of more complicated kinetics,the kinetic order of the process changing during the reaction. In this context plots of the molar amount of benzene evolved versus that of acetylene consumed seem to be informative as regards the reaction mechanism. |
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4楼2012-05-09 17:47:13
8814402
至尊木虫 (职业作家)
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| The reaction between acetylene and phenylmagnesium bromide in diethyl ether was investigated. 研究了乙炔和溴化苯镁在二乙醚中的反应。Both the consumption of acetylene and the evolution of benzene during the reaction were registered. 乙炔的消耗和苯的释放都进行了记录。Kinetic measure-ments were also carried out in the presence of small additions of triethylamine .还在小量三乙胺存在下进行了动力学测定。 |
2楼2012-05-09 17:16:17
8814402
至尊木虫 (职业作家)
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★ ★ ★ ★ ★ ★ ★ ★ ★ ★
459769617: 金币+10, 翻译EPI+1, ★★★★★最佳答案, 谢谢 2012-05-09 17:39:39
459769617: 金币+10, 翻译EPI+1, ★★★★★最佳答案, 谢谢 2012-05-09 17:39:39
| It was found that under constant acetylene concentration in the solution, the evolution of benzene during the reaction was a first-order process. 试验发现，在溶液中恒定的乙炔浓度下，反应中苯的生成是一级反应过程。The consumption of acetylene appeared to be of more complicated kinetics,the kinetic order of the process changing during the reaction. 而乙炔消耗似乎有更为复杂的动力学过程，动力学级数在反应过程中有所变化。In this context plots of the molar amount of benzene evolved versus that of acetylene consumed seem to be informative as regards the reaction mechanism.由此而论，生成苯对乙炔消耗的摩尔数量图对理解反应机理似乎可以提供有用信息。 |
3楼2012-05-09 17:22:20
8814402
至尊木虫 (职业作家)
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5楼2012-05-09 22:18:19
