A ring that contains at least one heteroatom (an atom other than carbon) is called a heterocycle, and a substance based on a heterocyclic ring is a heterocyclic compound. Heterocyclic compounds containing N, O or S are by far the most common

Compounds were classified as being either aliphatic or aromatic in the latter part of the nineteenth century. To be classified as aliphatic meant then that the chemical behavior of a compound was “fatlike”. To be classified as aromatic meant then that the compound had a low hydrogen/carbon ratio and that it was “fragrant

A hydrocarbon whose molecules contain two double bonds is called an alkadiene(alkatriene for three double bonds); A hydrocarbon with two triple bonds is called an alkadiyne; A hydrocarbon with a double and triple bond is called an alkenyne

The reactivity of organometallic compounds increases with the percent ionic character of the carbon-metal bond. RLi and RMgX are of great importance in organic synthesis

Carbonyl compounds are a broad group of compounds that includes aldehydes, ketones,carboxylic acids, and esters

1．学习以粗食盐和碳酸氢铵为原料，利用复分解反应制备碳酸氢钠的原理和方法。 2．学习水浴加热、减压过滤、冷却、结晶、固液分离等基本操作

10.3 The Reactions of Alkanes with Halogens 10.3 A Multiple Substitution Reactions Versus Selectivity 10.4 Chlorination of Methane:Mechanism of Reaction

1．学习电极电势与氧化还原反应的关系； 2．学习浓度、介质的酸碱性对氧化还原反应的影响； 2．学习电化学腐蚀及其防止方法

1．了解 pH 法测定醋酸解离度α和解离常数 Ka(HAc)的原理和方法； 2．学习精密酸度计的使用方法，练习滴定管的基本操作

1．了解测定反应摩尔焓变的原理和方法； 2．学习称量、溶液配制和测温等基本操作； 3．学习实验数据的作图法处理