complex ion

简明释义

络离子

英英释义

例句

1.The formation of a complex ion 配合离子 can significantly affect the solubility of certain salts.

某些盐的溶解度会因<顺>配合离子的形成而显著改变。

2.A common example of a complex ion 配合离子 is [Fe(CN)6]4-, which is known as ferrocyanide.

一个常见的<顺>配合离子是[Fe(CN)6]4-，被称为铁氰化物。

3.The stability of a complex ion 配合离子 can be influenced by the nature of its ligands.

配体的性质可以影响<顺>配合离子的稳定性。

4.In coordination chemistry, a complex ion 配合离子 consists of a central metal atom bonded to surrounding ligands.

在配位化学中，配合离子由一个中心金属原子与周围的配体结合而成。

5.Copper(II) sulfate forms a blue complex ion 配合离子 in aqueous solution.

硫酸铜(II)在水溶液中形成蓝色的<顺>配合离子。

作文

In the realm of chemistry, the concept of a complex ion is fundamental to understanding various chemical reactions and properties. A complex ion, defined as a charged species consisting of a central metal atom or ion bonded to one or more molecules or anions, plays a crucial role in coordination chemistry. These ions are formed when transition metals, which have the ability to expand their valence shell and accommodate more than eight electrons, interact with ligands. Ligands are molecules or ions that donate electron pairs to the metal center, forming coordinate covalent bonds. This interaction leads to the formation of a complex ion, which can exhibit unique colors, solubility, and reactivity compared to its constituent parts.The significance of complex ions extends beyond theoretical chemistry; they are prevalent in various biological systems and industrial applications. For instance, hemoglobin, the protein responsible for oxygen transport in our blood, contains an iron complex ion at its core. This complex ion allows hemoglobin to effectively bind oxygen molecules in the lungs and release them in tissues where they are needed. The study of complex ions also has implications in fields such as environmental science, where metal ions in complex forms can affect the bioavailability of nutrients and toxins in ecosystems.Moreover, the color of complex ions is a fascinating topic in itself. Different ligands can alter the electronic environment around the central metal ion, leading to variations in the wavelengths of light absorbed and emitted. For example, copper(II) sulfate forms a blue complex ion in solution due to the presence of water ligands. This property is not only important for identification purposes but also for applications in dyeing and pigments.The formation of complex ions is also influenced by several factors, including the nature of the metal ion, the type of ligands involved, and the overall charge balance of the resulting species. Strong field ligands, such as CN⁻ and CO, can lead to low-spin complex ions, while weak field ligands like H2O and Cl⁻ typically result in high-spin configurations. Understanding these interactions helps chemists predict the behavior of complex ions in different environments, guiding the design of new materials and catalysts.In conclusion, the study of complex ions offers a window into the intricate world of chemical interactions. Their formation, properties, and applications illustrate the importance of coordination chemistry in both natural and synthetic processes. As we delve deeper into this field, we uncover more about the mechanisms that govern the behavior of complex ions, paving the way for advancements in technology, medicine, and environmental science. The exploration of complex ions not only enriches our understanding of chemistry but also highlights the interconnectedness of various scientific disciplines, emphasizing the need for a multidisciplinary approach to solve complex problems facing our world today.

在化学领域，络合离子的概念对于理解各种化学反应和性质至关重要。络合离子被定义为一种带电物质，由一个中心金属原子或离子与一个或多个分子或阴离子结合而成，在配位化学中起着关键作用。当过渡金属与配体相互作用时，会形成络合离子，过渡金属具有扩展其价壳并容纳超过八个电子的能力。配体是指向金属中心捐赠电子对的分子或离子，从而形成配位共价键。这种相互作用导致了络合离子的形成，与其组成部分相比，这些离子可能表现出独特的颜色、溶解度和反应性。络合离子的重要性不仅限于理论化学；它们在各种生物系统和工业应用中普遍存在。例如，血红蛋白是负责我们血液中氧气运输的蛋白质，其核心含有一个铁络合离子。这个络合离子使得血红蛋白能够有效地在肺部结合氧分子，并在需要的组织中释放它们。对络合离子的研究在环境科学等领域也有影响，金属离子的络合形式可以影响生态系统中营养物质和毒素的生物可利用性。此外，络合离子的颜色本身也是一个引人入胜的话题。不同的配体可以改变围绕中心金属离子的电子环境，从而导致吸收和发射的光波长变化。例如，硫酸铜（II）在溶液中形成蓝色的络合离子，这是由于水配体的存在。这一特性不仅对鉴别目的重要，也对染色和颜料的应用具有意义。络合离子的形成还受到若干因素的影响，包括金属离子的性质、涉及的配体类型以及生成物的整体电荷平衡。强场配体，如CN⁻和CO，可以导致低自旋络合离子，而弱场配体如H2O和Cl⁻通常会导致高自旋构型。了解这些相互作用有助于化学家预测络合离子在不同环境中的行为，从而指导新材料和催化剂的设计。总之，络合离子的研究为我们打开了化学相互作用复杂世界的窗口。它们的形成、性质和应用展示了配位化学在自然和合成过程中的重要性。当我们深入探索这一领域时，揭示了支配络合离子行为的机制，为技术、医学和环境科学的进步铺平了道路。对络合离子的探索不仅丰富了我们对化学的理解，还突显了各科学学科之间的相互联系，强调了解决当今世界面临的复杂问题需要跨学科的方法。