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所在平台: Udemy |
课程主页: https://www.udemy.com/course/learn-organic-chemistry-part-ii/
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**课程名称：** 有机分子中的电子效应 **课程概述：** 本课程深入探讨有机分子中的电子位移现象，涵盖了以下几个核心主题： * **电子位移效应：** * 详细介绍诱导效应（Inductive effect）、离域效应（Mesomeric effect）和共轭效应（Electromeric effect）这三种主要的电子位移机制。 * 通过具体实例，清晰阐释了+I/-I、+M/-M和+E/-E基团的分类及其作用。 * 重点解析了这些效应如何影响分子的行为特性，并辅以典型案例说明。 * **有机酸与碱：** * 回顾并讲解了酸碱的一般概念，包括阿伦尼乌斯（Arrhenius）、布朗斯特-劳里（Bronsted-Lowry）和路易斯（Lewis）酸碱理论，并提供相关例子。 * 阐述了酸碱强度的定量和定性表达方式。 * 着重讨论了有机酸和有机碱的性质、行为以及相关因素。 * 深入分析了共轭碱的稳定性，并解释了影响稳定性的各种因素。 * 通过大量实例，讲解了影响酸强度的周期性规律。 * 提供了一个简单易记的基于pKa值变化的酸性顺序，并对背后的化学原理进行了详细解释。 **课程亮点：** * 每章节结尾均提供可下载的笔记和练习题，帮助巩固学习。 * 内容结合实例，条理清晰，易于理解和记忆。 * 全面覆盖了电子效应和有机酸碱理论的核心内容。
This course begins with a discussion on different types of effects which are responsible for electron displacement in a molecule -· Inductive effect· Mesomeric effect· Electromeric effect· Each of these are explained in detail with suitable examples.· The examples of +I and -I, +M and -M and +E and -E groups are included exclusively, in connection with various effects.· The impact of these effects on various behavioural properties of molecules are highlighted with prominent examples.The next section of the course is structured on acids and bases of organic nature.· The general acid-base concepts - Arrhenius, Bronsted - Lowry and Lewis Concept are explained with examples.· The quantitative and qualitative expression which includes the strength of an acid and base are explained in the beginning.· Later, the course primarily focuses on organic acids and bases, their properties and behaviour.· This course includes a section highlighting the factors encompassing the stability of a conjugate base.· The periodic trends governing acid strength is explained with significant examples.· This course also provides a simple and easily memorizable acidity order based on the pka values.· The chemical concepts governing this acidity order are also explained with examples.· The course is supported by practice problems and NOTES (downloadable) at the end of each section.
