11 grade chemistry others
What is the formula of Cryolite? Give its function in the extraction of Aluminium.
What is the formula of Cryolite? Give its function in the extraction of Aluminium.
1 Answer
Askiitians Tutor Team
Approved Tutor Answer10 Months agoCryolite is a mineral with the chemical formula Na3AlF6. It consists of sodium, aluminum, and fluorine.
Role in Aluminium Extraction
Cryolite plays a crucial role in the extraction of aluminum through the Hall-Héroult process. Here’s how it contributes:
- Electrolyte: Cryolite acts as an electrolyte, allowing the conduction of electricity during the electrolysis process.
- Lowering Melting Point: It reduces the melting point of alumina (Al2O3), making the process more energy-efficient.
- Enhancing Solubility: Cryolite increases the solubility of alumina in the molten bath, facilitating the extraction of aluminum.
Overall, cryolite is essential for efficient aluminum production, making it a key component in the industry.
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