Structure of Potash Alum
Potash alum has an octahedral structure in its hydrated form and a cubic structure in an alkali solution. The structure of a potash alum is given below:
Some key features of potash alum structure include:
- Octahedral shape: Potash alum crystals are octahedral, with each molecule surrounded by six water molecules.
- Dodecahydrate form: Potash alum is commonly encountered as the dodecahydrate, meaning that each molecule of the compound is associated with twelve molecules of water
- Colorless and highly soluble: Potash alum is almost colorless and highly soluble in water.
- Heat-sensitive: The compound turns red when heated to a certain degree.
Potash Alum
Potash Alum also known as Potassium Aluminum Sulfate is a chemical compound commonly used as potassium sulfate dodecahydrate. It has an octahedral structure in a neutral solution and changes into a cubic structure in an alkali solution. This compound is a double salt and is frequently utilized in medicine and water treatment procedures. It is often termed as ‘fitkari‘.
In this article, we will have a detailed description of the Potash Alum, properties of potash alum, uses of the potash alum, and how the potash alum is prepared.
- 258.192 g/mol (anhydrous)
- 474.37 g/mol (dodecahydrate)
|
IUPAC Name |
Aluminum Potassium Sulfate Dodecahydrate |
|---|---|
|
Chemical Formula |
K2SO4.Al2(SO4)3.24H2O |
|
Molar Mass |
948 gm/mol |
|
Density |
1.725 g/cm3 |
|
Melting Point |
92 to 95 °C (198 to 203 °F; 365 to 368 K) |
|
Boiling Point |
200 °C (392 °F; 473 K) |
Table of Content
- What is Potash Alum?
- Structure of Potash Alum
- Properties of Potash Alum
- Preparation of Potash Alum
- Uses of Potash Alum
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