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[高中化学石油和煤重要的烃精品课件乙烯.ppt

[高中化学石油和煤重要的烃精品课件乙烯.ppt

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[高中化学石油和煤重要的烃精品课件乙烯

* * 化学必修2:3.2《石油和煤 重要的烃》精品课件ppt Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 石油和煤 重要的烃 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. ? 这种气体是: 如果把青桔子和熟苹果放在同一个塑料袋里,系紧袋口,这样一段时间后青桔子就可以变黄、成熟。 乙 烯 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. C C H H H H .. .. : : . H . : . H . 一 、乙烯的分子结构 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 碳碳双键(C=C) 平面分子(六个原子在同一个平面上) 键角120(相邻两个化学键之间的夹角) 结构式 结构简式 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 色:无色 态:气体 味:略带甜味 溶解性:微溶 密度:与空气接近 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 观察·思考 实验1:点燃纯净的乙烯,观察燃烧时火焰的亮度和颜色。 实验2:将乙烯通入盛有酸性KMnO4溶液的试管中,观察试管内溶液颜色的变化。 实验3:将过量的乙烯通入盛有溴水的试管中,观察试管内溶液颜色的变化;在

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