What is SnCl2? Important knowledge about SnCl2.

1. Definition of SnCl₂:

SnCl₂, also known as Stannous Chloride or Tin(II) Chloride in English, is an inorganic compound with the formula SnCl₂. It is a white solid that can dissolve in water, ethanol, and acetone but is insoluble in ether. This compound has a molar mass of 189.6 g/mol.

2. Properties of SnCl₂:

2.1 Physical properties:

The natural state of SnCl₂ is solid, white, and has no characteristic odor. Its pH is neutral when dissolved in water.

2.2 Chemical properties:

SnCl₂ can react with oxygen or water to form SnO₂, SnCl₄, and HCl. It can also react with basic metals, such as Na and K, to form Sn and corresponding salts. Furthermore, SnCl₂ can react with strong acids to produce Sn(IV) and chlorine gas.

3. Common chemical equations:

SnCl₂ can participate in many important reactions such as substitution, hydrolysis, oxidation-reduction, etc. Specifically, it can react with water, oxygen, basic metals, strong acids, and some salts.

4. Synthesis of SnCl₂:

4.1 Laboratory synthesis:

SnCl₂ is usually synthesized by reacting Sn metal with HCl.

4.2 Industrial synthesis:

In the industry, SnCl₂ is usually synthesized by reacting Sn metal with Cl₂ at high temperatures.