氯化钴和氯化钙有什么区别

Thekey difference between cobalt chloride and calcium chlorideis that cobalt chloride has a cobalt cation bonded to a chloride anion, and it is sky blue in color, whereas calcium chloride has a calcium cation bonded to a chloride anion and it is white in color.

Cobalt chloride is a salt of cobalt, while calcium chloride is an inorganic compound having the chemical formula CaCl2. These two compounds are ionic compounds having different chemical and physical properties. They are also different in appearance.

CONTENTS

1.Overview and Key Difference
2.什么是氯化钴
3.What is Calcium Chloride
4.Cobalt Chloride vs Calcium Chloride in Tabular Form
5.Summary – Cobalt Chloride vs Calcium Chloride

什么是氯化钴?

氯化钴可以描述为钴的盐。It is an inorganic compound having the chemical formula CoCl2. The hydrated form of this compound is a hexahydrate compound that has one cobalt chloride salt molecule attracted to six water molecules.

CoCl2 6H2O is cobalt chloride hexahydrate that has cobalt chloride slat molecules attracted to six water molecules. This hydrated form has a rose-red color, and it is a crystalline compound. The molar mass of this compound is 237.93 g/mol. Its density is about 1.924 g/cm3.

Anhydrous cobalt chloride is the water-free form of cobalt chloride salt. It has no water forcrystallization. It has a sky blue color. The molar mass of this compound is 129.84 g/mol. Its melting point is 735◦C. The compound has a hexagonal geometry.

What is Calcium Chloride?

氯化钙可以描述为具有化学式CaCl2的无机化合物。It is a chloride salt of calcium. It is observable that this substance exists as a white-colored crystalline solid at room temperature. Furthermore, calcium chloride material is highly water-soluble.

氯化钙通常被称为水合物质。与一个与一个氯化钙分子相关的水分子的数量可以为0、1、2、4或6hydratesare important as de-icing agents and as dust control agents. Moreover, an anhydrous CaCl2 substance is useful as a desiccant due to its hygroscopic nature.

我们可以从limestoneas a byproduct of the Solvay process. The Solvay process is the method of producingsodium carbonate, where calcium chloride forms along with sodium carbonate. The reaction involves sodium chloride and calcium carbonate (from limestone). However, we can also make this substance from the purification of brine solution.

Typically, calcium chloride is considered a non-toxic compound. However, due to its hygroscopic property, the anhydrous form of this compound can be hazardous. It can act as an irritant to the skin by desiccating the moist skin.

氯化钴和氯化钙有什么区别?

氯化钴可以描述为钴的盐。氯化钙可以描述为具有化学式CaCl2的无机化合物。氯化钴和氯化钙之间的关键区别在于，氯化钴的钴阳离子粘结到氯化阴离子，颜色为天蓝色，而氯化钙的钙阳离子粘结在氯化物阴离子上，并且是白色的。

下面的信息图显示了氯化钴和氯化碳钙的差异，以并排比较.

Summary – Cobalt Chloride vs Calcium Chloride

Although the terms calcium chloride and cobalt chloride sounds similar, they are two completely different compounds. The key difference between cobalt chloride and calcium chloride is that cobalt chloride has a cobalt cation bonded to a chloride anion, and it has a sky blue color, whereas calcium chloride has a calcium cation bonded to a chloride anion and it is white.

Reference:

1. “关于钴（ii）氯化物的知识.”诺亚化学物质, 20 Oct. 2021.

Image Courtesy:

1. “Anhydrous cobalt chloride”莱姆（Leiem） - 自己的工作(CC BY-SA 4.0)via Commons Wikimedia
2. “Calcium chloride CaCl2” By No Firetwister assumed – No machine-readable source provided. Own work assumed (based on copyright claims).(CC BY-SA 3.0)via Commons Wikimedia